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EFV

Amphibious infantry fighting vehicle

EFV | Expeditionary Fighting Vehicle

The Expeditionary Fighting Vehicle is expected to enter service in 2010

 
 
Country of origin United States
Entered service -
Crew 3
Personnel 17
Dimensions and weight
Weight 34.5 t
Length 10.7 m
Hull length 9.3 m
Width 3.7 m
Height 3.3 m
Armament
Main gun 30 mm cannon
Machine guns 1 x 7.62 mm
Ammunition load
Main gun 600 rounds
Machine guns 2 400 rounds
Mobility
Engine MTU MT 883 Ka524 diesel
Engine power 850 / 2 740 hp
Maximum road speed 72 km/h
Amphibious speed on water 46 km/h
Range on land 523 km
Range on water 120 km
Maneuverability
Gradient 60%
Side slope 40%
Vertical step 0.9 m
Trench 2.4 m
Fording Amphibious

 

   The EFV or Expeditionary Fighting Vehicle was previously known as the AAAV or Advanced Amphibious Assault Vehicle. This new amphibious IFV is intended to replace ageing fleet of AAV7 amphibious armored personnel carriers. The EFV was intended for deployment by US Marines in 2010. Later deployment date was set back to 2015. Over 1 000 of these vehicles were planned to be built. However in 2011, Secretary of Defense Robert Gates recommended that the EFV program would be canceled. It was done mainly due to limited finding. Eventually the US Marines introduced a life extension program for the AAV7s and adopted a cheaper Amphiobious Combat Vehicle (ACV). Though the ACV was a significantly less capable amphibious wheeled armored personnel carrier. It gradually replaces some of the older AAV7s. However the ageing AAV7 will remain in service with the US Marine Corps for some time.

   The Expeditionary Fighting Vehicle could be launched at sea from amphibious assault ships. It could self-deploying and could carry 17 fully equipped troops or supplies ashore. It was intended for a forced entry into the semi aquatic areas and provide firepower support. Other functions of the EFV included guarding checkpoints, escorting convoys and patrolling.

   The EFV had twice the armor of the AAV7. Vehicle had aluminum hull with built-in composite armor at the front. It protected the crew from 14.5 mm armor-piercing rounds and artillery fragments. Great attention was paid to mine-blast protection. This armored vehicle was also fitted with mine-blast protected seats. Vision blocks were fitted with built-in laser protection. The Expeditionary Fighting Vehicle was fitted with NBC protection and automatic fire suppression systems. Enhanced armor plating could be attached to the hull if necessary.

   Firepower of the Expeditionary Fighting Vehicle was also superior to its predecessor - the AAV7. It was armed with a fully-stabilized MK44 30 mm high-velocity cannon. The main gun fired three types of rounds, including APFSDS, SAPHE-T and MPLD-T. This armored vehicle could fire accurately on the move, or afloat. It could accurately engage both stationary or moving targets. It had 90% hit probability at a range of 1 200 meters. The 30 mm cannon was capable of defeating most lightly armored vehicles, such as armored personnel carriers and infantry fighting vehicles. It could penetrate front armor of the Russian BMP-1 and BMP-2 IFVs from a distance of at least 3 000 m. It could even penetrate side armor of older medium tanks, such as the T-55. The main gun was also efficient against hostile watercraft. Secondary armament included a single coaxial 7.62 mm machine gun.

   The EFV was operated by a crew of three and could carry 17 fully-equipped marines. Troops could enter and leave the vehicle through the rear ramp or roof hatches.

   The Expeditionary Fighting Vehicle was powered by a German MTU MT 883 Ka524 multi-fuel diesel engine. It had two operation modes and developed 850 horsepower on land and 2 740 hp on water. This armored vehicle also had an auxiliary power unit, which powered all systems, when the main engine was turned off. The EFV had cross-country performance at least equal to the M1A1 Abrams main battle tank and can keep up with the M1A1 once inland. On water Expeditionary Fighting Vehicle was propelled by two waterjets. Hull of the EFV had an actuated bow flap to avoid planing. Vehicle was fitted with active hydropneumatic suspension, which retracted road wheels once the vehicle was in the water. On water the EFV had three times the speed of the AAV7.

   Interestingly in 2006 China deployed a ZBD 2000 high-speed amphibious IFV, which was similar in concept to the EFV. Currently China is the only country to produce such unique high-speed amphibious armored vehicles. The ZBD 2000 is also being offered for export as the VN-18 and has been exported to Venezuela.

 

Variants

 

   EFV(P) amphibious infantry fighting vehicle with capacity for 17 troops.

   EFV(C) amphibious armored command vehicle, carrying command and control electronics, but lacking 30 mm cannon.

 

 

 
EFV | Expeditionary Fighting Vehicle

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EFV | Expeditionary Fighting Vehicle

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EFV | Expeditionary Fighting Vehicle

Expand image

EFV | Expeditionary Fighting Vehicle

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EFV | Expeditionary Fighting Vehicle

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