AAVP7A1 RAM/RS U.S. Marine Corps AAV at Onslow Beach, Marine Corps Base Camp Lejeune during exercises. Type Armored personnel carrier Place of origin United States Service history In service 1972–present Used by Sea Operators Wars Falklands War, Invasion of Grenada, Persian Gulf War, Somali Civil War, Iraq War Production history Designer FMC Corporation Manufacturer United Defense Produced 1972 Specifications Weight 29.1 tons Length 7.94 m (321.3") Width 3.27 m (128.72") Height 3.26 m (130.5") Crew 3+21 Armor 45 mm Main armament Mk 19 40 mm automatic grenade launcher (rounds: 96 ready; 768 stowed) Secondary armament M2HB .50-caliber (12.7 mm) machine gun (rounds: 200 ready; 1,000 stowed) Engine Detroit Diesel 8V-53T (P-7), Cummins VTA-525 /903 cubic inches(P-7A1) 400 hp (300 kW) VTAC 525 903 525 hp(AAV-7RAM-RS) Power/weight 18 hp/tonne Suspension torsion-bar-in-tube (AAV-7A1); torsion bar (AAV-7RAM-RS) Operational range 480 km (300 miles); 20 NM in water, including survival in Sea State 5 Speed 24–32 km/h (15–20 mph) off-road, 72 km/h (45 mph) surfaced road, 13.2 km/h (8.2 mph) water[1]