IN PHOTOS: THE UNSEEN AIRCRAFT THAT CARRY PLANES, TANKS, AND SOLDIERS

Behold the hollow belly of the largest airplane in the U.S. Air Force. The C-5M Super Galaxy is Lockheed Martin’s latest version of its C-5, first flown in 1968. With that monster cargo bay, longer than the entire distance of the Wright brothers’ first flight, it can carry a 280,000-pound load (equivalent to two 68-ton M1 Abrams tanks) for 2,150 nautical miles, then unload and keep going for 500 more