
1) Endeavour or Atlantis
Found on
https://www.crosswordclues.com/clue/spaceplane

A spaceplane is a vehicle that operates as an aircraft in Earth`s atmosphere, as well as a spacecraft when it is in space. It combines features of an aircraft and a spacecraft, which can be thought of as an aircraft that can endure and maneuver in the vacuum of space or likewise a spacecraft that can fly like an airplane. Typically, it takes the ....
Found on
http://en.wikipedia.org/wiki/Spaceplane
No exact match found.