Commons Attribution-Share Alike 4.0 truetrue English SpaceShuttleDiscoveryat the Udvar-HazyCenter; also visible is the Saturn instrument unit URL: https://commons
Attribution-Share Alike 4.0 truetrue English SpaceShuttleDiscovery's engines at the Udvar-HazyCenter URL: https://commons.wikimedia.org/wiki/user:Alpacaaviator