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AAV-7A1

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AAVP7A1 RAM/RS
Type Armoured personnel carrier
Place of origin United States (real world)
Service history
Used by Aurelia, ISAF, Erusia, Osea, Leasath.
Wars Many conflicts in strangereal
Production history
Designer FMC Corporation
Manufacturer FMC Corporation
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+25

Armor 45mm
Primary

armament

Mk 19 40mm automatic grenade launcher (864 rounds) or M242 Bushmaster 25mm (900 rounds)
Secondary

armament

M2HB .50-caliber (12.7 mm) machine gun (1200 rounds)
Engine Detroit Diesel 8V-53T (P-7), Cummins VT 400 903 (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)
Speed 64 km/h, 14.3 km/h (45 mph, 9.0 mph)

The Amphibious Assault Vehicle (AAV)—official designation AAV-7A1 (formerly known as LVT-7) is a fully tracked amphibious landing vehicle manufactured by FMC Corporation (now BAE Systems Land and Armaments).

The AAV-7A1 is the current amphibious troop transport of the United States Marine Corps. It is used by USMC Assault Amphibian Battalions to land the surface assault elements of the landing force and their equipment in a single lift from assault shipping during amphibious operations to inland objectives and to conduct mechanized operations and related combat support in subsequent mechanized operations ashore. It is also operated by other forces.

DevelopmentEdit

The LVT-7 was first introduced in 1972 as a replacement for the LVT-5. In 1982, FMC was contracted to conduct the LVT-7 Service Life Extension Program, which converted the LVT-7 vehicles to the improved AAV-7A1 vehicle by adding an improved engine, transmission, and weapons system and improving the overall maintainability of the vehicle. The Cummins VT400 diesel engine replaced the GM 8V53T, and this was driven through FMC's HS-400-3A1 transmission. The hydraulic traverse and elevation of the weapon station was replaced by electric motors, which eliminated the danger from hydraulic fluid fires. The suspension and shock absorbers were strengthened as well. The fuel tank was made safer, and a fuel-burning smoke generator system was added. Eight smoke grenade launchers were also placed around the armament station. The headlight clusters were housed in a square recess instead of the earlier round type. The driver was provided with an improved instrument panel, a night vision device, and a new ventilation system was installed. These upgraded vehicles were originally called LVT-7A1, but the Marine Corps renamed the LVT-7A1 to AAV-7A1 in 1984.

Another improvement was added in the form of a Cadillac Gage weapon station or Up-Gunned Weapon Station (UGWS) which was armed with both a .50 cal (12.7 mm) M2HB machine gun and a Mk-19 40 mm grenade launcher.

Enhanced Applique Armor Kits (EAAK) were developed for the AAV-7A1, and the added weight of the new armor necessitated the addition of a bow plane kit when operating afloat.

The Assault Amphibious Vehicle Reliability, Availability, Maintainability/Rebuild to Standard (AAV RAM/RS) Program has provided for a replacement of both the engine and suspension with US Army M2 Bradley Fighting Vehicle (BFV) components modified for the AAV. The ground clearance has returned to 16 inches and the horsepower to ton ratio has changed from 13 to 1 back to 17 to 1. The AAV RAM/RS rebuild encompassed all AAV systems and components in order to return the AAV back to the original vehicle's performance specifications and ensure acceptable Fleet Marine Force (FMF) AAV readiness ratings until the EFV is operational. Introduction of the BFV components and the rebuild to standard effort is expected to reduce maintenance costs for the remaining life of the AAV through the year 2013.

OperatorsEdit

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