X-41 is the designation, initiated in 2003, for a still-classified United States military spaceplane.
The X-41 is now part of the FALCON (Force Application and Launch from Continental United States) program sponsored by DARPA and NASA.
Specifications or photos of the X-41 program have not been released to the public; thus little is known about its goals.
The word "Aero" in "Common Aero Vehicle" stood for "aeroshell", not "aerospace", because the CAV was a common aerothermodynamic shell for varying and multiple payloads.
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