C-5 Galaxy 436th Airlift WingLockheed C 5 Galaxy airplane model. The Galaxy is one of the world's largest aircraft. It is almost as long as a football field and as high as a six story building and has a cargo compartment about the size of an eight lane bowling alley. The C 5 is the only aircraft that can transport any of the Army's combat equipment, including the 74 ton (66,600 kilogram) mobile scissors bridge, tanks and helicopters. The maximum weight for takeoff during