The North American X-15 rocket plane was part of the USAF/NASA/USN X-series of experimental aircraft and set numerous speed and altitude records in the early 1960s

8x10'' laminated presentation containing FLOWN fragments from ALL FIVE Space Shuttle orbiters - Columbia

He took several hundred seeds on the mission

This flight plan is nicely annotated in Duke’s hand with that legendary phrase

whose involvement in early high-speed flight research helped validate and refine the delta-wing design

STS-82 Hubble – FLOWN bay liner presentation Challenger The North American X-15 rocketSTS 82 Discovery flown payload bay liner 8x6'' laminated presentation containing a flown payload bayliner fragment from the Space Shuttle Discovery flown on STS 82. Originally issued by renowned Space expert Ken Havekotte.