Aberdeen Proving Ground (APG) (sometimes erroneously called Aberdeen Proving Grounds) is a United States Army facility located adjacent to Aberdeen, Maryland (in Harford County).
Air-cooled engines rely on the circulation of air directly over hot parts of the engine to cool them.
The M46 was an American medium tank designed to replace the M26 Pershing and M4 Sherman.
Medium tank is a classification of tanks, particularly prevalent during World War II which represented a compromise between the mobility oriented light tanks and the protection and armour protection oriented heavy tanks.
An opposed-piston engine is a reciprocating internal combustion engine in which each cylinder has a piston at both ends, and no cylinder head.
A supercharger is an air compressor that increases the pressure or density of air supplied to an internal combustion engine.
The T69 was an American medium tank with an oscillating turret mounting a 90mm cannon with a nine-drum autoloader.
The United States of America (USA), commonly known as the United States (U.S.) or America, is a federal republic composed of 50 states, a federal district, five major self-governing territories, and various possessions.