Outsize cargo as defined by the United States military, is cargo that because of its size or weight can only be airlifted by C-5 Galaxy or C-17 Globemaster III[1]; e.g., an M1 Abrams tank. The formal definition is a single item that is longer than 1,000 inches (25.4 m), wider than 117 inches (3 m), or taller than 105 inches (2.7 m).