The Waco CG-4 was the most widely used American troop cargo military glider of World War II. It was designated the CG-4 by the United States Army Air Forces, and given the service name Hadrian by the British.
The glider was designed by the Waco Aircraft Company. Flight testing began in May 1942. More than 13,900 CG-4s were eventually delivered.
The CG-4 was constructed of fabric-covered wood and metal and was crewed by a pilot and copilot. It had two fixed mainwheels and a tailwheel.
The CG-4 could carry 13 troops and their equipment. Cargo loads could be a 1⁄4-ton truck, a Jeep, for instance, a 75 mm howitzer, or a 1⁄4-ton trailer, loaded through the upward-hinged nose section. Douglas C-47 Skytrains were usually used as tow aircraft.