The USAF Aerospace Research Pilot School was one of the most important training grounds for the elite test pilots who helped shape the future of high-speed flight

Weinberger also confirmed the story

Soyuz TMA-07M Vatican FLOWN ISS cover + letter

None of the Columbia or Challenger artifacts are from the ill-fated flights but removed after an earlier flight during regular maintenance

Expedition 15 ISS FLOWN Oleg Kotov private cover + letter Liberty Bell The USAF Aerospace Research PilotFrom the celebrated astrophilatelic collection of Jacques Bracke A rare and deeply personal Expedition 15 International Space Stationflown cover and handwritten letter, sent directly from orbit by Russian cosmonaut Oleg Kotov to noted astrophilatelist Jacques Bracke. Dated 21 April 2007, the cover was carried aboard the International Space Station during the opening weeks of Expedition 15 and is accompanied by an enclosed handwritten letter by Kotov,