McDonnell Douglas (Boeing) YC-15 at Edwards AFB California160McDonnell Douglas (Boeing) YC-15 at Edwards AFB CaliforniaSpace Shuttle Enterprise160Space Shuttle EnterpriseDiscovery and Astronauts who flew on her.160Discovery and Astronauts who flew on her.Space Shuttle Discovery160Space Shuttle DiscoverySpace Shuttles Enterprise and Discovery nose to nose160Space Shuttles Enterprise and Discovery nose to noseSpace Shuttle exchange at museum, Discovery for Enterprise180Space Shuttle exchange at museum, Discovery for EnterpriseNASA 747 & Space Shuttle Discovery135NASA 747 & Space Shuttle Discovery