The Lockheed C-5 Galaxy is a four-engine heavy military transport aircraft with a maximum payload of 122.472 kg (270.000 lbs) produced by the US-American manufacturer Lockheed Corporation, today Lockheed Martin Aeronautics Company.

The C-5 Galaxy is equipped with nose and tail cargo doors. The aircraft has the ability to kneel down for easier loading. Cargo compartment of the C-5 Galaxy: height: 4,11m (13ft 5.8in), width: 5,79m (19ft), length: 43,8m (143ft 8.4in). The modernized C-5M Super Galaxy is powered by General Electric CF6-80C2 engines (military designation F138-GE-100) with 225 kN (50580 lbs) of thrust.