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http://www.sitemaps.org/schemas/sitemap/0.9/sitemap.xsd"><url><loc>https://thehighfrontier.blog/2017/05/16/flying-without-wings-the-martin-sv-5x-24-lifting-bodies/</loc><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2017/05/hans_multhopp.png</image:loc><image:title>Hans_Multhopp</image:title></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2017/05/lifting_concepts.png</image:loc><image:title>lifting_concepts</image:title></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2017/05/x-38.png</image:loc><image:title>X-38</image:title></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2017/05/x-24b.png</image:loc><image:title>X-24B</image:title></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2017/05/x-24a.png</image:loc><image:title>X-24a</image:title></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2017/05/sv-5j.png</image:loc><image:title>SV-5J</image:title></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2017/05/sv-5d-prime.png</image:loc><image:title>SV-5D-Prime</image:title></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2017/05/nors.png</image:loc><image:title>NORS</image:title></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2017/05/h_weight_lifting-bodies.png</image:loc><image:title>h_weight_lifting-bodies</image:title></image:image><lastmod>2021-12-23T15:39:22+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://thehighfrontier.blog/2016/03/20/straight-back-down-to-earth-a-history-of-the-vertical-takeoffvertical-landing-rocket-part-1/</loc><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2016/03/27760707516_a5d7a8b4f5_b.jpg</image:loc><image:title>27760707516_a5d7a8b4f5_b</image:title></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2016/03/27720107611_73828e9d4e_b.jpg</image:loc><image:title>27720107611_73828e9d4e_b</image:title><image:caption>A 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SDASM]</image:caption></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2016/03/serv-murp.png</image:loc><image:title>serv-murp</image:title></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2016/03/sassto.png</image:loc><image:title>SASSTO</image:title></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2016/03/roost.png</image:loc><image:title>ROOST</image:title></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2016/03/rombus-patent-3.png</image:loc><image:title>ROMBUS-Patent-3</image:title></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2016/03/nexus.png</image:loc><image:title>NEXUS</image:title></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2016/03/new-shepard-rocket03.png</image:loc><image:title>new-shepard-rocket03</image:title></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2016/03/ithacus.png</image:loc><image:title>Ithacus</image:title></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2016/03/icarus-ithacus-rombus.png</image:loc><image:title>icarus-ithacus-rombus</image:title></image:image><lastmod>2021-12-23T15:39:22+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://thehighfrontier.blog/2016/04/07/taking-star-wars-to-the-stars-a-history-of-the-vtol-rocket-part-2/</loc><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2016/04/x-33.png</image:loc><image:title>x-33</image:title></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2016/04/star_clipper.png</image:loc><image:title>star_clipper</image:title></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2016/04/phoenix_2.png</image:loc><image:title>phoenix_2</image:title></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2016/04/phoenix_1.png</image:loc><image:title>phoenix_1</image:title></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2016/04/dc-y-1.png</image:loc><image:title>DC-Y-1</image:title></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2016/04/dc-x_2.png</image:loc><image:title>dc-X_2</image:title></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2016/04/dc-x_1.png</image:loc><image:title>DC-X_1</image:title></image:image><lastmod>2021-12-23T15:39:22+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://thehighfrontier.blog/2016/04/25/launch-land-repeat-a-history-of-the-vtol-rocket-part-3/</loc><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2016/04/spacex_its.jpg</image:loc><image:title>spacex_its</image:title></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2016/04/new_glenn.png</image:loc><image:title>new_glenn</image:title></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2016/04/800px-kluft-photo-mss-xoie-llc-l2-landing-img_1282.jpg</image:loc><image:title>800px-kluft-photo-mss-xoie-llc-l2-landing-img_1282</image:title><image:caption>The Masten Space Systems Xoie vehicle during testing [IMG: I. Kluft via CC License]</image:caption></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2016/04/roton_early.png</image:loc><image:title>roton_early</image:title></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2016/04/roton_atv.png</image:loc><image:title>roton_atv</image:title></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2016/04/restart.png</image:loc><image:title>restart</image:title></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2016/04/orbcomm-2.png</image:loc><image:title>ORBCOMM-2</image:title></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2016/04/launch.png</image:loc><image:title>launch</image:title></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2016/04/grasshopper.png</image:loc><image:title>Grasshopper</image:title></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2016/04/falcon_9_profile.png</image:loc><image:title>Falcon_9_profile</image:title></image:image><lastmod>2021-12-23T15:39:22+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://thehighfrontier.blog/2016/04/27/the-last-man-on-the-moon-review-thoughts/</loc><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2016/04/images.png</image:loc><image:title>images</image:title></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2016/04/ap10-ksc-69pc-148hr.png</image:loc><image:title>ap10-KSC-69PC-148HR</image:title></image:image><lastmod>2021-12-23T15:39:22+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://thehighfrontier.blog/2016/05/01/the-sls-a-laymans-view/</loc><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2016/05/fh.png</image:loc><image:title>FH</image:title></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2016/05/sls.png</image:loc><image:title>SLS</image:title></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2016/05/comp.png</image:loc><image:title>comp</image:title></image:image><lastmod>2021-12-23T15:39:22+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://thehighfrontier.blog/2016/05/12/toward-the-unknown-the-north-american-x-15-part-1/</loc><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2016/05/x_planes.png</image:loc><image:title>x_planes</image:title></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2016/05/simulator.png</image:loc><image:title>simulator</image:title></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2016/05/rollout.png</image:loc><image:title>rollout</image:title></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2016/05/radar.png</image:loc><image:title>radar</image:title></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2016/05/plan.png</image:loc><image:title>plan</image:title></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2016/05/pilots.png</image:loc><image:title>pilots</image:title></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2016/05/main.png</image:loc><image:title>main</image:title></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2016/05/crossfield.png</image:loc><image:title>crossfield</image:title></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2016/05/control_room.png</image:loc><image:title>control_room</image:title></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2016/05/concept_models.png</image:loc><image:title>concept_models</image:title></image:image><lastmod>2021-12-23T15:39:22+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://thehighfrontier.blog/2016/05/26/riding-the-bull-the-north-american-x-15-part-2/</loc><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2016/05/xlr_99.png</image:loc><image:title>xlr_99</image:title></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2016/05/xlr_11.png</image:loc><image:title>XLR_11</image:title></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2016/05/x_15_a2.png</image:loc><image:title>x_15_a2</image:title></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2016/05/pre_launch.png</image:loc><image:title>pre_launch</image:title></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2016/05/post_flight.png</image:loc><image:title>post_flight</image:title></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2016/05/pilots1.png</image:loc><im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presents the Collier Trophy to (L to R) Scott Crossfield, Bob White, Joe Walker and Forrest Petersen [IMG: Abbie Rowe. White House Photographs. John F. Kennedy Presidential Library and Museum, Boston]</image:caption></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2016/05/bob_white.png</image:loc><image:title>bob_white</image:title></image:image><lastmod>2021-12-23T15:39:22+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://thehighfrontier.blog/2016/05/30/thoughtful-courage-or-fearful-safety-thoughts-inspired-by-safe-is-not-an-option-by-rand-simberg/</loc><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2016/05/docked_x-38.png</image:loc><image:title>Docked_X-38</image:title></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2016/05/virgil_i-_gus_grissom_portrait.jpg</image:loc><image:title>Virgil_I._(Gus)_Grissom_portrait</image:title></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2016/05/img_2956.jpg</image:loc><image:title>IMG_2956</image:title></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2016/05/150306144905_1_900x600.jpg</image:loc><image:title>150306144905_1_900x600</image:title></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2016/05/1280px-crew_of_sts-107_official_photo.jpg</image:loc><image:title>1280px-Crew_of_STS-107,_official_photo</image:title></image:image><lastmod>2021-12-23T15:39:22+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://thehighfrontier.blog/2016/07/03/the-final-steps-and-legacy-the-north-american-x-15-part-3/</loc><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2016/07/x20_dyna-soar_diagram.png</image:loc><image:title>X20_Dyna-Soar_diagram</image:title></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2016/07/vehicle_evolution.png</image:loc><image:title>vehicle_evolution</image:title></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2016/07/thex-15providedthefirstimpetustodevelopaworkablefull-pressuresuitandscottcrossfieldanddr-davidm-clarkwereinstrumentalintheeffor.jpg</image:loc><image:title>NARA RG-342-B&#13;&#13;1957, Wright Field, centrifugre, XMC-2 pressure suit</image:title><image:caption>NARA RG-342-B&#13;&#13;1957, Wright Field, centrifugre, XMC-2 pressure suit</image:caption></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2016/07/thefinaldeltawingdesignspentaconsiderableamountoftimeinthenasalangleywindtunnelbeforetheprogramwascancelled-nasa.jpg</image:loc><image:title>NASA LaRC&#13;&#13;Terry Panopalis Collection</image:title><image:caption>NASA LaRC&#13;&#13;Terry Panopalis Collection</image:caption></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2016/07/nasatestpilotneilarmstrongsuitingupbeforehisfirstx-15flightonnovember301960.jpg</image:loc><image:title>Armstrong suiting up for Flt 1-18-31 11/30/60 NASA DFRC</image:title><image:caption>Armstrong suiting up for Flt 1-18-31 11/30/60 NASA DFRC</image:caption></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2016/07/nasa_color_dyna_soar.jpg</image:loc><image:title>NASA_Color_Dyna_Soar</image:title></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2016/07/joe_engle_x-15_pilot.jpg</image:loc><image:title>Engle with X-15A-2&#13;12/2/65&#13;NASA DFRC</image:title><image:caption>Engle with X-15A-2&#13;12/2/65&#13;NASA DFRC</image:caption></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2016/07/installingthex-15fullscalemetalmockup-nasa.jpg</image:loc><image:title>Installing+the+X-15+full+scale+metal+mock+up.+(NASA)</image:title></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2016/07/11naadeltawingx-15concept.jpg</image:loc><image:title>#11+NAA+delta+wing+X-15+concept</image:title></image:image><lastmod>2021-12-23T15:39:22+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://thehighfrontier.blog/2016/09/19/an-aerospace-roadtrip/</loc><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2016/09/me.png</image:loc><image:title>me</image:title></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2016/09/661.png</image:loc><image:title>66</image:title></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2016/09/hornet.png</image:loc><image:title>hornet</image:title></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2016/09/img_33651.jpg</image:loc><image:title>img_3365</image:title></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2016/09/x-55.png</image:loc><image:title>x-55</image:title></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2016/09/tunnel_models.png</image:loc><image:title>tunnel_models</image:title></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2016/09/griffith.png</image:loc><image:title>griffith</image:title></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2016/09/jpl_missions.png</image:loc><image:title>jpl_missions</image:title></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2016/09/jpl.png</image:loc><image:title>jpl</image:title></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2016/09/shuttle_exhibit_1.png</image:loc><image:title>shuttle_exhibit_1</image:title></image:image><lastmod>2021-12-23T15:39:22+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://thehighfrontier.blog/2016/12/21/apollo-8-the-second-greatest-christmas-story-ever-told/</loc><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2016/12/the_crew_of_apollo_8_addresses_the_crew_of_the_uss_yorktown_after_a_successful_splashdown_and_recovery.jpg</image:loc><image:title>the_crew_of_apollo_8_addresses_the_crew_of_the_uss_yorktown_after_a_successful_splashdown_and_recovery</image:title></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2016/12/nasa-apollo8-dec24-earthrise.jpg</image:loc><image:title>nasa-apollo8-dec24-earthrise</image:title></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2016/12/apollo_8_crew_walks_to_transfer_van_s68-55999.jpg</image:loc><image:title>apollo_8_crew_walks_to_transfer_van_s68-55999</image:title></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2016/12/aerial_view_of_the_apollo_8_saturn-v.jpg</image:loc><image:title>aerial_view_of_the_apollo_8_saturn-v</image:title></image:image><lastmod>2021-12-23T15:39:22+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://thehighfrontier.blog/2017/01/15/atlas-bomi-weapons-for-a-new-frontier/</loc><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2017/01/mx_1593.png</image:loc><image:title>mx_1593</image:title></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2017/01/hiroc.png</image:loc><image:title>hiroc</image:title><image:caption>The Convair MX-774 Hiroc missile [IMG: San Diego Air &amp; Space Museum, Atlas Collection]</image:caption></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2017/01/ehricke.png</image:loc><image:title>ehricke</image:title><image:caption>Kraft Eiricke during his time at Convair [IMG: San Diego Air &amp; Space Museum, Atlas Collection]</image:caption></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2017/01/dornberger.png</image:loc><image:title>dornberger</image:title><image:caption>Walter Dornberger (left, in hat) with von Braun during their handover to allied soldiers [IMG: Wikipedia via CC licence]</image:caption></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2017/01/brass_bell.png</image:loc><image:title>brass_bell</image:title></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2017/01/bossart.png</image:loc><image:title>bossart</image:title></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2017/01/bomi_bomber.png</image:loc><image:title>bomi_bomber</image:title><image:caption>The 1954-55 vintage 3rd stage BOMI bomber [IMG: Used courtesy of Fantastic Plastic]</image:caption></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2017/01/bomi_bell_model.png</image:loc><image:title>bomi_bell_model</image:title></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2017/01/bomi_3_stage.png</image:loc><image:title>bomi_3_stage</image:title><image:caption>The 1954-55 3-stage MX-2276 BOMI vehicle [IMG: Used courtesy of Fantastic Plastic]</image:caption></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2017/01/atlas_b.png</image:loc><image:title>atlas_b</image:title><image:caption>Illustration of the final Atlas configuration as tested by Atlas-B [IMG: San Diego Air &amp; Space Museum, Atlas Collection]</image:caption></image:image><lastmod>2021-12-23T15:39:22+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://thehighfrontier.blog/2017/02/27/clusters-last-stand-the-saturn-i1b/</loc><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2017/02/wing_recovery.png</image:loc><image:title>wing_recovery</image:title></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2017/02/saturn_sa7_launch.jpg</image:loc><image:title>saturn_sa7_launch</image:title></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2017/02/saturn_ib_1st_stage.jpg</image:loc><image:title>saturn_ib_1st_stage</image:title></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2017/02/sa-1.jpg</image:loc><image:title>sa-1</image:title></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2017/02/s1bintfamily.jpg</image:loc><image:title>s1bintfamily</image:title></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2017/02/s-i_rocket_stage.jpg</image:loc><image:title>s-i_rocket_stage</image:title></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2017/02/s-iv_rocket_stage.jpg</image:loc><image:title>s-iv_rocket_stage</image:title></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2017/02/parachute_recovery.png</image:loc><image:title>parachute_recovery</image:title></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2017/02/img_4114.jpg</image:loc><image:title>img_4114</image:title></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2017/02/fig283.jpg</image:loc><image:title>fig283</image:title><image:caption>saturn IB launch vehicle, artist concept with callouts. REF: msfc-68-Ind-1125d (MIX FILE)</image:caption></image:image><lastmod>2021-12-23T15:39:22+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://thehighfrontier.blog/2016/07/27/the-sunnyvale-shuttle-lockheeds-star-clipper/</loc><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2016/07/ipp.png</image:loc><image:title>IPP</image:title></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2016/07/star_clipper.jpg</image:loc><image:title>STAR_Clipper</image:title></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2016/07/space_shuttle_concepts.jpg</image:loc><image:title>Space_Shuttle_concepts</image:title></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2016/07/shuttle_mission.png</image:loc><image:title>shuttle_mission</image:title></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2016/07/shape_comparison.png</image:loc><image:title>shape_comparison</image:title></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2016/07/rocketryforum-com.jpg</image:loc><image:title>rocketryforum.com</image:title></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2016/07/phase_a_tsto.png</image:loc><image:title>phase_a_tsto</image:title></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2016/07/nasm-a19760778000_ps01.jpg</image:loc><image:title>NASM-A19760778000_PS01</image:title></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2016/07/nasm-a19740728000_ps03.jpg</image:loc><image:title>NASM-A19740728000_PS03</image:title></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2016/07/maxwell-hunter-small.png</image:loc><image:title>maxwell-hunter-small</image:title></image:image><lastmod>2021-12-23T15:39:22+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://thehighfrontier.blog/2017/05/22/joe-walker-nasas-forgotten-spaceman/</loc><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2017/05/x-15_pilots.png</image:loc><image:title>x-15_pilots</image:title></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2017/05/joe_walker_x-15.png</image:loc><image:title>joe_walker_x-15</image:title></image:image><lastmod>2021-12-23T15:39:22+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://thehighfrontier.blog/2016/01/02/reagans-impossible-dream-the-x-30-national-aerospace-plane/</loc><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2016/01/phase1_b.png</image:loc><image:title>phase1_b</image:title><image:caption>An artist's impression of an early X-30 NASP design in flight [IMG: NASA]</image:caption></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2016/01/x-30_futuristic_nasa.jpg</image:loc><image:title>X-30_futuristic_nasa</image:title><image:caption>The "Orient Express" takes flight in an artist's impression of an early NASP design [IMG: NASA]</image:caption></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2016/01/x-43.png</image:loc><image:title>x-43</image:title><image:caption>A rendering of the NASA X-43A in flight
[IMG: NASA]</image:caption></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2016/01/phase2.png</image:loc><image:title>phase2</image:title><image:caption>A revised design from later in Phase II [IMG: NASA]</image:caption></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2016/01/x-15a2.png</image:loc><image:title>X-15A2</image:title><image:caption>X-15A-2 leaves the B-52. The dummy HRE is attached to the lower ventral fin stub
[IMG: NASA]</image:caption></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2016/01/phase1.png</image:loc><image:title>phase1</image:title><image:caption>An early artist's impression of the NASP 
[IMG: NASA]</image:caption></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2016/01/cfd.png</image:loc><image:title>cfd</image:title><image:caption>A Computational Fluid Dynamics (CFD) model from the NASP programme [IMG: NASA]</image:caption></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2016/01/conical_accelerator.png</image:loc><image:title>conical_accelerator</image:title><image:caption>An early 'Conical Accelerator' design undergoes testing [IMG: NASA]</image:caption></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2016/01/scramjetdiagram.gif</image:loc><image:title>ScramjetDiagram</image:title></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2016/01/aerospaceplane.png</image:loc><image:title>Aerospaceplane</image:title><image:caption>An artist's impression of an Aerospaceplane design in flight
[IMG: Wikipedia under CC license]</image:caption></image:image><lastmod>2021-12-23T15:39:22+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://thehighfrontier.blog/2015/12/17/in-conversation-with-alexei-leonov/</loc><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2015/12/deke_slayton_and_aleksey_leonov.jpg</image:loc><image:title>Deke_Slayton_and_Aleksey_Leonov</image:title></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2015/12/conversation1.png</image:loc><image:title>conversation</image:title></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2015/12/img_2470.jpg</image:loc><image:title>IMG_2470</image:title></image:image><lastmod>2021-12-23T15:39:22+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://thehighfrontier.blog/2015/12/14/space-trucks-big-g-and-the-tks/</loc><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2015/12/expanded_station.png</image:loc><image:title>expanded_station</image:title></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2015/12/tks_model.png</image:loc><image:title>tks_model</image:title><image:caption>A model of the TKS ship showing the FGB and VA elements. The detached element to the right is the VA Emergency Rescue system [IMG: Wikipedia under CC licence]</image:caption></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2015/12/va.png</image:loc><image:title>va</image:title><image:caption>An example of a flown VA capsule [IMG: Wikipedia under CC license]</image:caption></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2015/12/zarya.png</image:loc><image:title>zarya</image:title><image:caption>The Zarya module - the first element of the ISS launched in 1998 and a direct descendent of Chelomei's TKS [IMG: NASA]</image:caption></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2015/12/mol.png</image:loc><image:title>mol</image:title></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2015/12/big_g_landing.png</image:loc><image:title>big_g_landing</image:title></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2015/12/big_g_basic.png</image:loc><image:title>big_g_basic</image:title></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2015/12/almaz.png</image:loc><image:title>almaz</image:title></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2015/12/mir.png</image:loc><image:title>mir</image:title><image:caption>The Mir station which featured many modules derived from the TKS's FGB module [IMG: NASA]</image:caption></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2015/12/tks.png</image:loc><image:title>tks</image:title><image:caption>A line drawing of the TKS as flown during testing [IMG: Wikipedia under CC licence]</image:caption></image:image><lastmod>2021-12-23T15:39:22+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://thehighfrontier.blog/2015/11/27/once-around-the-moon-the-soviet-circumlunar-race/</loc><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2015/11/header.png</image:loc><image:title>header</image:title><image:caption>The final leg of the race to the Moon as visualised by TIME magazine</image:caption></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2015/11/skip_reentry_trajectory-svg.png</image:loc><image:title>Skip_reentry_trajectory.svg</image:title><image:caption>A skip re-entry profile as used when returning from lunar flight 
[IMG: Wikipedia under CC license]</image:caption></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2015/11/zond_assembly.jpg</image:loc><image:title>Zond_Assembly</image:title><image:caption>An L1 Complex is prepared for flight
[IMG: Wikipedia under CC license]</image:caption></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2015/11/ur-500k_l1_plan.png</image:loc><image:title>UR-500k_L1_plan</image:title></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2015/11/vostok-7-il.png</image:loc><image:title>vostok-7-IL</image:title><image:caption>The Vostok-7/IL plan 
[IMG: Chris Petty]</image:caption></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2015/11/ur-500k_lk-1_plan.png</image:loc><image:title>UR-500k_LK-1_plan</image:title><image:caption>Chelomei's LK-1 and Launcher</image:caption></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2015/11/soyuz_7k-9k-11k.png</image:loc><image:title>soyuz_7k-9k-11k</image:title><image:caption>The 7K-9K-11K Lunar Complex
[IMG: Chris Petty]</image:caption></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2015/11/proton-zond2.jpg</image:loc><image:title>Proton-Zond2</image:title><image:caption>A UR-500K/L1 Zond complex on its way to the pad
[IMG: Wikipedia under CC license]</image:caption></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2015/11/buwv2xuiyaaih2o-jpg-large.jpeg</image:loc><image:title>Buwv2XUIYAAIH2O.jpg-large</image:title><image:caption>The Earth as photographed by Zond 5 during its circumlunar flight in 1967 
[IMG: Wikipedia under CC license]</image:caption></image:image><lastmod>2021-12-23T15:39:22+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://thehighfrontier.blog/2018/01/13/we-can-call-it-apollo-50-are-you-on-board/</loc><lastmod>2021-12-23T15:39:14+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://thehighfrontier.blog/2018/06/27/a-blue-gemini-mystery-solved/</loc><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2018/06/dyna_soar_prototype.jpg</image:loc><image:title>Dyna_Soar_prototype</image:title></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2018/06/dyna_soar_plan.png</image:loc><image:title>dyna_soar_plan</image:title></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2018/06/vehicle_cleaned.png</image:loc><image:title>vehicle_cleaned</image:title></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2018/06/vehicle_original.png</image:loc><image:title>vehicle_original</image:title></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2018/06/station_small.png</image:loc><image:title>station_small</image:title></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2018/06/station_large.png</image:loc><image:title>station_large</image:title></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2018/06/inspector_small.png</image:loc><image:title>inspector_small</image:title></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2018/06/inspector_large.png</image:loc><image:title>inspector_large</image:title></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2018/06/header_img.png</image:loc><image:title>header_img</image:title></image:image><lastmod>2021-12-23T15:39:14+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://thehighfrontier.blog/2018/03/19/a-challenge-from-within-sending-gemini-around-the-moon/</loc><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2018/03/gemini_ad.png</image:loc><image:title>gemini_ad</image:title></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2018/03/titan_transtage.png</image:loc><image:title>titan_transtage</image:title></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2018/03/fig6.jpg</image:loc><image:title>fig6</image:title></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2018/03/stg_group.png</image:loc><image:title>STG_group</image:title></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2018/03/gemini_goals.png</image:loc><image:title>Gemini_goals</image:title></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2018/03/chamberlinnasa.png</image:loc><image:title>ChamberlinNASA</image:title></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2018/03/banner.png</image:loc><image:title>banner</image:title></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2018/03/1965_concepts.png</image:loc><image:title>1965_concepts</image:title></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2018/03/64_config_3.png</image:loc><image:title>64_config_3</image:title></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2018/03/64_config_2.png</image:loc><image:title>64_config_2</image:title></image:image><lastmod>2021-12-23T15:39:14+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://thehighfrontier.blog/2017/03/07/sentinel2went-a-long-night-in-darmstadt/</loc><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2017/03/img_0407-1.jpg</image:loc><image:title>img_0407-1</image:title></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2017/03/img_0406-1.jpg</image:loc><image:title>img_0406-1</image:title></image:image><lastmod>2021-12-23T15:39:13+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://thehighfrontier.blog/2017/10/24/whats-happened-to-the-articles-and-why-do-you-keep-trying-to-sell-me-t-shirts-a-tale-of-adaptation/</loc><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2017/10/cassini_detail.png</image:loc><image:title>cassini_detail</image:title></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2017/10/batz.png</image:loc><image:title>batz</image:title></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2017/10/artwork.png</image:loc><image:title>artwork</image:title></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2017/10/shirts.png</image:loc><image:title>shirts</image:title></image:image><lastmod>2021-12-23T15:39:13+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://thehighfrontier.blog/2017/03/21/spacex-to-reusability-and-beyond/</loc><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2017/03/fheavy.png</image:loc><image:title>fheavy</image:title></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2017/03/falcon_9.png</image:loc><image:title>Falcon_9</image:title></image:image><lastmod>2021-12-23T15:39:13+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://thehighfrontier.blog/2016/10/11/rosetta-philae-its-all-about-the-feels/</loc><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2016/10/tumblr_kristen-fredriksen.jpg</image:loc><image:title>tumblr_kristen-fredriksen</image:title></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2016/10/selfie_real.png</image:loc><image:title>selfie_real</image:title></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2016/10/selfie_comp.png</image:loc><image:title>selfie_comp</image:title></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2016/10/selfie_cartoon.jpeg</image:loc><image:title>selfie_cartoon</image:title></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2016/10/scrapbook.png</image:loc><image:title>scrapbook</image:title></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2016/10/looking.png</image:loc><image:title>looking</image:title></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2016/10/final_tweet_2.png</image:loc><image:title>final_tweet_2</image:title></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2016/10/hayabusa-2.jpg</image:loc><image:title>hayabusa-2</image:title></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2016/10/final_tweet_1.png</image:loc><image:title>final_tweet_1</image:title></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2016/10/ctmypvvxyaagrea-jpg-large.jpeg</image:loc><image:title>ctmypvvxyaagrea-jpg-large</image:title></image:image><lastmod>2021-12-23T15:39:12+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://thehighfrontier.blog/2016/11/13/less-than-gravity-the-lunar-landing-research-vehicle/</loc><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2016/11/walker.png</image:loc><image:title>walker</image:title></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2016/11/sfcs-2015-07-31-sixdegreesoffreedom-image-3.jpg</image:loc><image:title>sfcs-2015-07-31-sixdegreesoffreedom-image-3</image:title></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2016/11/main.png</image:loc><image:title>main</image:title></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2016/11/genelltv952.jpg</image:loc><image:title>genelltv952</image:title></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2016/11/early_design.png</image:loc><image:title>early_design</image:title></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2016/11/config.png</image:loc><image:title>config</image:title></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2016/11/15871104704_d090098734_z.jpg</image:loc><image:title>15871104704_d090098734_z</image:title></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2016/11/328124main_ecn-448_full.jpg</image:loc><image:title>328124main_ecn-448_full</image:title></image:image><lastmod>2021-12-23T15:39:12+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://thehighfrontier.blog/2016/01/25/apollo-i-still-love-you-but/</loc><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2016/01/recovery.png</image:loc><image:title>recovery</image:title></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2016/01/apollo11.png</image:loc><image:title>Apollo11</image:title></image:image><lastmod>2021-12-23T15:39:09+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://thehighfrontier.blog/2016/02/16/sea-dragons-skycycles-the-life-and-rockets-of-bob-truax/</loc><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2016/02/sea_dragon.png</image:loc><image:title>sea_dragon</image:title><image:caption>A size comparison of Truax's 1963 Sea Dragon design and the Saturn V (note the Apollo Command Module and escape Tower at the tip of the Sea Dragon) [IMG: via Wikipedia Creative Commons licence - modified]</image:caption></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2016/02/x-2_skycycle.png</image:loc><image:title>X-2_Skycycle</image:title><image:caption>The X-2 Skycycle created by Truax for Evel Knievel's Snake River jump [IMG: via Wikipedia Creative Commons Licence]</image:caption></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2016/02/seadragon.png</image:loc><image:title>SeaDragon</image:title><image:caption>Traux's colossal Sea Dragon afloat pre-launch beside an Aircraft Carrier [IMG: Aerojet General]</image:caption></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2016/02/svsd-4.png</image:loc><image:title>SVSD-4</image:title><image:caption>A size comparison of Truax's 1963 Sea Dragon design and the Saturn V (note the Apollo Command Module and escape Tower at the tip of the Sea Dragon) [IMG: via Wikipedia Creative Commons licence]</image:caption></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2016/02/shuttle_comparison.png</image:loc><image:title>shuttle_comparison</image:title><image:caption>Truax's 1980's Excalibur design (centre) compared to his revised Sea Dragon and NASA's Shuttle [IMG: Truax Engineering]</image:caption></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2016/02/robert_truax.png</image:loc><image:title>Robert_Truax</image:title><image:caption>A portrait of Bob Truax during his Navy years [IMG: USN]</image:caption></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2016/02/truax_1735032c.jpg</image:loc><image:title>RR022509</image:title><image:caption>Rocket Entrepreneur Bob Truax with Rocket Model...11 Aug 1980, Cupertino, California, USA --- Robert Truax, a retired Navy aeronautical engineer, has a plan to launch a privately funded rocket containing a volunteer astronaut into space. He holds a model rocket in his office. --- Image by  Roger Ressmeyer/CORBIS</image:caption></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2016/02/enterprise.png</image:loc><image:title>enterprise</image:title><image:caption>The X-3 Enterprise reusable piloted sub-orbital rocket [IMG: Truax Engineering]</image:caption></image:image><lastmod>2021-12-23T15:39:09+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://thehighfrontier.blog/2015/11/11/a-cosmonaut-on-the-moon-korlevs-n-1l3-plan/</loc><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2015/11/cteuqtwuwaa3zkq-large.jpg</image:loc><image:title>CTEuqtwUwAA3zKq.jpg-large</image:title><image:caption>N-1 Variants as flown (L to R) 7L (1972), 5L (1971), 4L (1969) and 3L (1969)
[IMG: ©Nick Stevens]</image:caption></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2015/11/vladimir_chelomei.jpg</image:loc><image:title>Vladimir_Chelomei</image:title><image:caption>Vladimir Chelomei, Designer of the UR-500 and UR-700 rockets [IMG: Wikipedia CC License]</image:caption></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2015/11/tli.png</image:loc><image:title>TLI</image:title><image:caption>The L3 complex during Trans Lunar Injection
[IMG: ©Nick Stevens]
</image:caption></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2015/11/the-monumental-lk-3-lunar-lander-engineering-model-1969-in-the-cosmonauts-exhibition-c2a9-science-museum.jpg</image:loc><image:title>D153897</image:title><image:caption>The monumental LK-3 lunar lander (engineering model, 1969) in the Cosmonauts exhibition ©Science Museum</image:caption></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2015/11/on_surface.png</image:loc><image:title>on_surface</image:title><image:caption>The LK and Cosmonaut safely on the Lunar Surface
[IMG: ©Nick Stevens]</image:caption></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2015/11/n1_varients.jpg</image:loc><image:title>n1_varients</image:title></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2015/11/n1_structure.png</image:loc><image:title>n1_structure</image:title><image:caption>A general Plan of the N-1/L3 stack with detail of the L3
[IMG: ©Chris Petty]</image:caption></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2015/11/n1_stages.png</image:loc><image:title>n1_stages</image:title><image:caption>N-1 Engine layouts for (l-r)  BLOK-A, BLOK-B, BLOK-V 
[IMG: ©Nick Stevens]</image:caption></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2015/11/n1_pad.jpg</image:loc><image:title>n1_pad</image:title><image:caption>Artist's impression of the N-1/L3 on the pad at Baikonur
[IMG: ©Nick Stevens]</image:caption></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2015/11/manned_moon_landers_lk_vs_lm_-_to_scale_drawing.png</image:loc><image:title>Manned_Moon_landers_LK_vs_LM_-_to_scale_drawing</image:title><image:caption>Size comparison of the LK and the Apollo Lunar Module
 [IMG: Wikipedia CC License]</image:caption></image:image><lastmod>2021-12-23T15:39:08+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://thehighfrontier.blog/2015/10/27/dream-chaser-dna-a-story-of-spaceplane-evolution/</loc><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2015/10/mig-105-11a.png</image:loc><image:title>MiG-105-11a</image:title><image:caption>The MiG 105.11 - Atmospheric Flight Test Vehicle for Spiral [IMG: Wikipedia CC licence]</image:caption></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2015/10/hl20.png</image:loc><image:title>HL20</image:title><image:caption>The HL-20 mock-up stands proudly at Langley research Center [IMG: NASA]</image:caption></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2015/10/dream_chaser_pre-drop_tests-6.png</image:loc><image:title>Dream_Chaser_pre-drop_tests.6</image:title><image:caption>The SNC Dream Chaser Flight Test Article [IMG: Wikipedia CC licence]</image:caption></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2015/10/bor4winu.png</image:loc><image:title>bor4winu</image:title><image:caption>A Langley Model of the BOR-4 shape [IMG: NASA]</image:caption></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2015/10/bor4p31.jpg</image:loc><image:title>bor4p31</image:title><image:caption>The BOR-4 during recovery from the Indian Ocean [IMG: Australian Air Force]</image:caption></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2015/10/311932main_ecn-2359_full.png</image:loc><image:title>311932main_ECN-2359_full</image:title><image:caption>The powered lifting bodies at Edwards AFB: (L to R)  X-24A,  M2-F3 and HL-10</image:caption></image:image><lastmod>2021-12-23T15:39:08+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://thehighfrontier.blog/about/</loc><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2015/08/me.png</image:loc><image:title>me</image:title></image:image><lastmod>2021-12-23T15:39:07+00:00</lastmod><changefreq>weekly</changefreq><priority>0.6</priority></url><url><loc>https://thehighfrontier.blog/2015/10/19/blue-shuttle-how-the-air-force-influenced-the-sts-design-process/</loc><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2015/10/vandenberg.png</image:loc><image:title>vandenberg</image:title><image:caption>Enterprise nestling amongst the hills at Vandenberg AFB [IMG: Air Force/TSGT James R. Pearson]</image:caption></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2015/09/space_shuttle_enterprise_stacked_at_vandenberg_slc-6_1.png</image:loc><image:title>Space_Shuttle_Enterprise_stacked_at_Vandenberg_SLC-6_(1)</image:title><image:caption>Enterprise in the California sunshine at Vandenberg AFB [IMG: Wikipedia CC]</image:caption></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2015/09/space_shuttle_concepts.jpg</image:loc><image:title>Space_Shuttle_concepts</image:title><image:caption>Early Shuttle concepts [IMG: NASA]</image:caption></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2015/09/p219.gif</image:loc><image:title>p219</image:title></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2015/09/p208.jpg</image:loc><image:title>p208</image:title><image:caption>Max Faget's straight winged Shuttle concept [IMG: NASA]</image:caption></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2015/09/north_american_rockwell_p333.jpg</image:loc><image:title>North_American_Rockwell_P333</image:title><image:caption>An Early North American Rockwell concept, now with delta wings [IMG: NASA]</image:caption></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2015/09/df-st-86-00720-edit.png</image:loc><image:title>DF-ST-86-00720-EDIT</image:title><image:caption>"Slick 6" - Vandenberg's SLC-6 complex [IMG: Air Force]</image:caption></image:image><lastmod>2021-12-23T15:39:07+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://thehighfrontier.blog/2015/10/06/the-x-33-nothing-ventured-nothing-gained/</loc><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2015/10/x_33.png</image:loc><image:title>x_33</image:title><image:caption>A rendering showing the X-33 in flight - as close as it ever got [Img: NASA]</image:caption></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2015/10/venturestar_orbit.png</image:loc><image:title>VentureStar_orbit</image:title><image:caption>An early rendering of the VentureStar releasing a payload on orbit  [Img: NASA]</image:caption></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2015/10/nasp.png</image:loc><image:title>nasp</image:title><image:caption>Rockwell International's concept for the X-30 NASP  [Img: NASA]</image:caption></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2015/10/launch.png</image:loc><image:title>launch</image:title><image:caption>The completed X-33 launch site at Haystack Butte, Edwards AFB  [Img: NASA]</image:caption></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2015/10/competitors.png</image:loc><image:title>competitors</image:title><image:caption>The Phase I designs from (l to r) Rockwell International, McDonnell Douglas and Lockheed Martin  [Img: NASA]</image:caption></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2015/10/comparison.png</image:loc><image:title>comparison</image:title><image:caption>A side by side comparison of initial designs for the X-33 and the VentureStar  [Img: NASA]</image:caption></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2015/10/aerospike.png</image:loc><image:title>aerospike</image:title><image:caption>A Linear Aerospike engine undergoing testing  [Img: NASA]</image:caption></image:image><lastmod>2021-12-23T15:39:07+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://thehighfrontier.blog/2015/09/22/how-the-race-was-won/</loc><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2015/09/gagarin.jpg</image:loc><image:title>gagarin</image:title><image:caption>Gagarin travels to his date with destiny [Img: ITU picture under CC license]</image:caption></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2015/09/space-walk-100806-02.jpg</image:loc><image:title>space-walk-100806-02</image:title><image:caption>Ed White's historic EVA on Gemini 4 [Img: NASA]</image:caption></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2015/09/space_race.png</image:loc><image:title>space_race</image:title></image:image><lastmod>2021-12-23T15:39:07+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://thehighfrontier.blog/2015/09/19/the-end-of-an-era/</loc><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2015/09/edwards_afb_runway_5_on_rogers_dry_lake.jpg</image:loc><image:title>DF-ST-91-04984</image:title><image:caption>Now that's what you call a runway! [Img: NASA]</image:caption></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2015/09/chuck_yeager.jpg</image:loc><image:title>Chuck_Yeager</image:title><image:caption>Chuck Yeager and the record-breaking Bell X-1 [Img: Wikipedia]</image:caption></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2015/09/x-24b-flying.jpg</image:loc><image:title>X-24b-flying</image:title><image:caption>The X-24B, last of an illustrious line [Img: NASA]</image:caption></image:image><lastmod>2021-12-23T15:39:07+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://thehighfrontier.blog/2015/09/25/london-we-have-a-problem-the-rise-and-fall-of-the-uks-space-programme/</loc><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2015/09/black_arrow_2.jpg</image:loc><image:title>Black_Arrow_2</image:title><image:caption>The Black Arrow on display at London's Science Museum [Img: Wikipedia]</image:caption></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2015/09/pyramid.png</image:loc><image:title>pyramid</image:title><image:caption>The Pyramid undergoes wind tunnel tests</image:caption></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2015/09/blue_streak.jpg</image:loc><image:title>Blue_Streak</image:title><image:caption>The sole surviving Blue Streak at Scotland's National Museum of Flight</image:caption></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2015/09/black_knight_tail.jpg</image:loc><image:title>OLYMPUS DIGITAL CAMERA</image:title><image:caption>The business-end of the Black Knight missile [Img: Wikipedia]</image:caption></image:image><lastmod>2021-12-23T15:39:07+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://thehighfrontier.blog/2015/08/17/so-where-is-space-then-anyway/</loc><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2015/08/x_15.png</image:loc><image:title>x_15</image:title><image:caption>The incredible X-15 [Img: NASA]</image:caption></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2015/08/x15.png</image:loc><image:title>x15</image:title><image:caption>The X15, ready to go looking for space [Image: NASA]</image:caption></image:image><lastmod>2021-12-23T15:39:07+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://thehighfrontier.blog/2015/09/05/before-mercury-planned-us-manned-projects-pre-1960/</loc><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2015/09/freedom_7.png</image:loc><image:title>freedom_7</image:title></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2015/09/mercuryredstonerocketlaunchnasa.jpg</image:loc><image:title>Mercuryredstonerocketlaunchnasa</image:title><image:caption>Alan Shepard heads spacewards in Freedom 7  (NASA)</image:caption></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2015/09/sqzffz2jtqs3gcs7sb50.jpg</image:loc><image:title>sqzffz2jtqs3gcs7sb50</image:title><image:caption>The proposed Project Adam flight plan (US Army)</image:caption></image:image><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2015/09/esq_manhigh.gif</image:loc><image:title>esq_manhigh</image:title></image:image><lastmod>2021-12-23T15:39:07+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://thehighfrontier.blog/2015/09/13/death-of-the-dyna-soar/</loc><lastmod>2021-12-23T15:39:07+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://thehighfrontier.blog/2019/12/16/beyond-blue-skies-a-new-chapter/</loc><image:image><image:loc>https://thehighfrontier.blog/wp-content/uploads/2021/12/e2c73-img_5896.jpg</image:loc><image:title>IMG_5896</image:title></image:image><lastmod>2019-12-17T03:30:02+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://thehighfrontier.blog</loc><changefreq>daily</changefreq><priority>1.0</priority><lastmod>2021-12-23T15:39:22+00:00</lastmod></url></urlset>
