A Falcon 9 carrying X-37B beneath its protective shroud minutes before its Sept. 7 liftoff from Kennedy Space Center, Florida. Credit: SpaceX video
X-37B OTV-4 landing
The U.S. Air Force's X-37B spaceplane landed Oct. 17, 2014 at  Vandenberg Air Force Base, California following 674 days in orbit. Credit: Boeing
X-37B OTV-4 landing
X-37B OTV-4 landing