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    <loc>https://www.boeing-747.com/special_boeing_747s/</loc>
    <lastmod>2026-08-14</lastmod>
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    <image:image>
      <image:loc>https://www.boeing-747.com/_Media/nasa-moves-shuttle-fly_med-3.jpeg</image:loc>
      <image:title>A Shuttle Carrier Aircraft with an orbiter aboard - perhaps the most improbable job ever given to an airliner.</image:title>
    </image:image>
    <image:image>
      <image:loc>https://www.boeing-747.com/_Media/boeing_vc-25a_82-8000_usaf_med.jpeg</image:loc>
      <image:title>The VC-25A, better known by its call sign when the President is aboard.</image:title>
    </image:image>
    <image:image>
      <image:loc>https://www.boeing-747.com/_Media/boeing_747_lcf_n780ba-2_med-2.jpeg</image:loc>
      <image:title>The Dreamlifter, rebuilt to swallow 787 fuselage barrels and wings.</image:title>
    </image:image>
    <image:image>
      <image:loc>https://www.boeing-747.com/_Media/750px-yal-1a_airborne_laser_med.jpeg</image:loc>
      <image:title>The YAL-1, which carried a megawatt-class laser in its nose.</image:title>
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  <url>
    <loc>https://www.boeing-747.com/special_boeing_747s/747_cmca_-_cruise_missile_carrier.php</loc>
    <lastmod>2026-08-14</lastmod>
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    <image:image>
      <image:loc>https://www.boeing-747.com/_Media/agm-86-alcm-in-flight.jpeg</image:loc>
      <image:title>An AGM-86 after release. The CMCA would have carried up to 72 of these - no artwork of the aircraft itself is known to survive.</image:title>
    </image:image>
    <image:image>
      <image:loc>https://www.boeing-747.com/_Media/agm-86-alcm-on-pylon.jpeg</image:loc>
      <image:title>ALCMs on a B-52 - the aircraft that carries them in reality. The CMCA would have held its missiles internally on rotary launchers instead.</image:title>
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  <url>
    <loc>https://www.boeing-747.com/special_boeing_747s/747_large_cargo_freighter_l.php</loc>
    <lastmod>2026-08-14</lastmod>
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    <image:image>
      <image:loc>https://www.boeing-747.com/_Media/boeing_747_lcf_n780ba-2_med-2.jpeg</image:loc>
      <image:title>The Dreamlifter&apos;s fuselage was rebuilt to more than three times the volume of a standard 747-400 freighter.</image:title>
    </image:image>
    <image:image>
      <image:loc>https://www.boeing-747.com/_Media/b747lcf_dreamlifter_takeoff_med-2.jpeg</image:loc>
      <image:title>Airborne. The shape is aerodynamically odd but perfectly flyable.</image:title>
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  <url>
    <loc>https://www.boeing-747.com/special_boeing_747s/747-asb-advanced-short-body.html</loc>
    <lastmod>2026-08-14</lastmod>
    <changefreq>monthly</changefreq>
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    <image:image>
      <image:loc>https://www.boeing-747.com/_Media/bahrainroyalflightb747sp_med-2.jpeg</image:loc>
      <image:title>The 747SP - the shortened 747 that was actually built. Its economics are exactly why the ASB never was.</image:title>
    </image:image>
    <image:image>
      <image:loc>https://www.boeing-747.com/_Media/b747-400_med-2.jpeg</image:loc>
      <image:title>Boeing put its effort into the 747-400 instead, which became the best-selling 747 of all.</image:title>
    </image:image>
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  <url>
    <loc>https://www.boeing-747.com/special_boeing_747s/boeing_c-33.php</loc>
    <lastmod>2026-08-14</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.7</priority>
    <image:image>
      <image:loc>https://www.boeing-747.com/_Media/nca-747-400f_med-2.jpeg</image:loc>
      <image:title>The C-33 would have been a military 747-400 Freighter, close to the commercial aircraft in this configuration.</image:title>
    </image:image>
    <image:image>
      <image:loc>https://www.boeing-747.com/_Media/b747-200bf_med.jpeg</image:loc>
      <image:title>The nose door gives straight-in loading - but at a height that suits civil freight terminals, not austere airstrips.</image:title>
    </image:image>
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  <url>
    <loc>https://www.boeing-747.com/special_boeing_747s/boeing_e-4_advanced_airborn.php</loc>
    <lastmod>2026-08-14</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.7</priority>
    <image:image>
      <image:loc>https://www.boeing-747.com/_Media/e_4b-1_med.jpeg</image:loc>
      <image:title>The bulge behind the upper deck houses satellite communications equipment - the E-4B&apos;s most visible feature.</image:title>
    </image:image>
    <image:image>
      <image:loc>https://www.boeing-747.com/_Media/800px-boeing_e-4b_usaf_73_med-2.jpeg</image:loc>
      <image:title>Four were built, all on 747-200B airframes, and all remain in service decades later.</image:title>
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  <url>
    <loc>https://www.boeing-747.com/special_boeing_747s/boeing_kc-33a.php</loc>
    <lastmod>2026-08-14</lastmod>
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    <image:image>
      <image:loc>https://www.boeing-747.com/_Media/slide19.gif</image:loc>
      <image:title>The KC-33A proposal, with a refuelling boom under the tail.</image:title>
    </image:image>
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  <url>
    <loc>https://www.boeing-747.com/special_boeing_747s/boeing_vc25_air_force_one.php</loc>
    <lastmod>2026-08-13</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.7</priority>
    <image:image>
      <image:loc>https://www.boeing-747.com/_Media/boeing_vc-25a_82-8000_usaf_med.jpeg</image:loc>
      <image:title>Boeing VC-25A 82-8000 in the blue and white presidential livery</image:title>
    </image:image>
    <image:image>
      <image:loc>https://www.boeing-747.com/_Media/air-force-one-interior-3.gif</image:loc>
      <image:title>Cutaway diagram of the VC-25A interior showing its three decks</image:title>
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  <url>
    <loc>https://www.boeing-747.com/special_boeing_747s/boeing-747-aac.html</loc>
    <lastmod>2026-08-14</lastmod>
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      <image:loc>https://www.boeing-747.com/_Media/240de49a1e04626063ffc49052e_med.png</image:loc>
      <image:title>The concept in section - fighters stowed internally, launched and recovered through a belly bay.</image:title>
    </image:image>
    <image:image>
      <image:loc>https://www.boeing-747.com/_Media/wiki_747-aircraft-carrier_c_med.jpeg</image:loc>
      <image:title>Artist&apos;s impression of the carrier in operation.</image:title>
    </image:image>
    <image:image>
      <image:loc>https://www.boeing-747.com/_Media/boeing-747-aac_med.png</image:loc>
      <image:title>Launch and recovery would both have happened in flight.</image:title>
    </image:image>
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  <url>
    <loc>https://www.boeing-747.com/special_boeing_747s/ed-force-one.html</loc>
    <lastmod>2026-08-15</lastmod>
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    <priority>0.7</priority>
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      <image:loc>https://www.boeing-747.com/_Media/ed-force-one-brisbane_med-2.jpeg</image:loc>
      <image:title>Ed Force One on the ground at Brisbane Airport in May 2016, during The Book of Souls tour.</image:title>
    </image:image>
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  <url>
    <loc>https://www.boeing-747.com/special_boeing_747s/engine-testbeds.html</loc>
    <lastmod>2026-08-15</lastmod>
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    <priority>0.7</priority>
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      <image:loc>https://www.boeing-747.com/_Media/747-engines-testbed_med-2.jpeg</image:loc>
      <image:title>A 747 testbed outside Rolls-Royce. One position carries the engine under test; three known engines fly the aeroplane home.</image:title>
    </image:image>
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  <url>
    <loc>https://www.boeing-747.com/special_boeing_747s/evergreen_supertanker.php</loc>
    <lastmod>2026-08-14</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.7</priority>
    <image:image>
      <image:loc>https://www.boeing-747.com/_Media/inflight_01_med.jpeg</image:loc>
      <image:title>The Supertanker could carry an order of magnitude more retardant than a conventional air tanker.</image:title>
    </image:image>
  </url>
  <url>
    <loc>https://www.boeing-747.com/special_boeing_747s/global-supertanker.html</loc>
    <lastmod>2026-08-15</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.7</priority>
    <image:image>
      <image:loc>https://www.boeing-747.com/_Media/global-supertanker-firefighting_med-2.jpeg</image:loc>
      <image:title>The Global SuperTanker laying a line of retardant over California during a 2020 firefighting operation with Cal Fire and the Bureau of Land Management.</image:title>
    </image:image>
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  <url>
    <loc>https://www.boeing-747.com/special_boeing_747s/government-and-vip-747s.html</loc>
    <lastmod>2026-08-15</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.7</priority>
    <image:image>
      <image:loc>https://www.boeing-747.com/_Media/bahrainroyalflightb747sp-3.jpeg</image:loc>
      <image:title>The Bahrain Royal Flight&apos;s 747SP. The shortened variant suited head-of-state work: long range, modest size.</image:title>
    </image:image>
    <image:image>
      <image:loc>https://www.boeing-747.com/_Media/boeing_vc-25a_82-8000_usaf_med.jpeg</image:loc>
      <image:title>The VC-25A, Air Force One. The United States has flown 747s as presidential transport since 1990.</image:title>
    </image:image>
    <image:image>
      <image:loc>https://www.boeing-747.com/_Media/e_4b-1_med.jpeg</image:loc>
      <image:title>The E-4B Nightwatch, a hardened 747-200B command post. The bulge behind the upper deck houses its satellite communications equipment.</image:title>
    </image:image>
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  <url>
    <loc>https://www.boeing-747.com/special_boeing_747s/shuttle_carrier_aircraft.php</loc>
    <lastmod>2026-08-14</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.7</priority>
    <image:image>
      <image:loc>https://www.boeing-747.com/_Media/nasa-moves-shuttle-fly_med-3.jpeg</image:loc>
      <image:title>An orbiter rides on struts above the fuselage. Note the fins added to the tailplane.</image:title>
    </image:image>
    <image:image>
      <image:loc>https://www.boeing-747.com/_Media/nasa-moving-shuttle-attach_med-2.jpeg</image:loc>
      <image:title>Mating an orbiter needed a purpose-built gantry - the mate-demate device.</image:title>
    </image:image>
    <image:image>
      <image:loc>https://www.boeing-747.com/_Media/aqsdgnycaaadtf5jpg_large_med-3.jpeg</image:loc>
      <image:title>Discovery&apos;s last flight, to museum display in 2012.</image:title>
    </image:image>
    <image:image>
      <image:loc>https://www.boeing-747.com/_Media/nasa-moving-shuttle-747_med-2.jpeg</image:loc>
      <image:title>NASA 905 and NASA 911, the only two aircraft ever configured for the job.</image:title>
    </image:image>
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  <url>
    <loc>https://www.boeing-747.com/special_boeing_747s/sofia.html</loc>
    <lastmod>2026-08-14</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.7</priority>
    <image:image>
      <image:loc>https://www.boeing-747.com/_Media/750px-sofia_in_air_med.jpeg</image:loc>
      <image:title>SOFIA airborne. The telescope cavity is in the rear fuselage, ahead of the tail.</image:title>
    </image:image>
    <image:image>
      <image:loc>https://www.boeing-747.com/_Media/800px-sofia_0925061247_med-2.jpeg</image:loc>
      <image:title>Under tow. The airframe began life as a Pan Am and later United 747SP.</image:title>
    </image:image>
    <image:image>
      <image:loc>https://www.boeing-747.com/_Media/sofia_med-2.jpeg</image:loc>
      <image:title>An earlier scheme, with the NASA and DLR partnership marked on the tail.</image:title>
    </image:image>
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  <url>
    <loc>https://www.boeing-747.com/special_boeing_747s/vc-25b-bridge-qatar-747-8.html</loc>
    <lastmod>2026-08-13</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.7</priority>
    <image:image>
      <image:loc>https://www.boeing-747.com/_Media/vc-25b-bridge-with-vc-25a.jpeg</image:loc>
      <image:title>The VC-25B Bridge (left) taxiing at Joint Base Andrews alongside one of the two VC-25As it stands in for, with a C-17 Globemaster III behind.</image:title>
    </image:image>
    <image:image>
      <image:loc>https://www.boeing-747.com/_Media/vc-25b-bridge-flight-test.jpeg</image:loc>
      <image:title>The aircraft on a flight test out of Greenville, Texas in April 2026, still unpainted before the presidential livery was applied.</image:title>
    </image:image>
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  <url>
    <loc>https://www.boeing-747.com/special_boeing_747s/yal-1_airborne_laser.php</loc>
    <lastmod>2026-08-14</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.7</priority>
    <image:image>
      <image:loc>https://www.boeing-747.com/_Media/750px-yal-1a_airborne_laser_med.jpeg</image:loc>
      <image:title>The nose turret is the giveaway - it housed the steerable mirror that aimed the laser.</image:title>
    </image:image>
    <image:image>
      <image:loc>https://www.boeing-747.com/_Media/748px-usaf_airborne_laser_med-2.jpeg</image:loc>
      <image:title>The aircraft was built on a 747-400 Freighter airframe.</image:title>
    </image:image>
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