Merkava MK-4M Windbreaker... Israel Defense Force Main Battle Tank

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Merkava

The Merkava (Hebrew: מרכבה, [mɛʁkaˈva] "chariot") is a series of main battle tanks used by the Israel Defense Forces and is the backbone of the IDF's armored corps. The tank began development in 1970, and its first generation - the Merkava mark 1 - entered official service in 1979. Four main variants have been deployed, with the Merkava mark 4 being the latest version. The Merkava was first used extensively in the 1982 Lebanon War. The name "Merkava" was derived from the IDF's initial development program name.

The tank was developed in the Merkava and Armored Combat Vehicles Division of the Israeli Ministry of Defense, and most of its parts are manufactured in Israel. The Merkava's design concept is to provide maximum protection for its crew, and therefore its front armor was fortified and the engine placed in the front part of the tank, unlike most other tanks.

Design criteria include rapid repair of battle damage, survivability, cost-effectiveness and off-road performance. Following the model of contemporary self-propelled howitzers, the turret assembly is located closer to the rear than in most main battle tanks. With the engine in front, this layout is intended to grant additional protection against a frontal attack, so as to absorb some of the force of incoming shells, especially for the personnel in the main hull, such as the driver. It also creates more space in the rear of the tank that allows increased storage capacity and a rear entrance to the main crew compartment allowing easy access under enemy fire. This allows the tank to be used as a platform for medical disembarkation, a forward command and control station, and an infantry fighting vehicle. The rear entrance's clamshell-style doors provide overhead protection when off- and on-loading cargo and personnel.

Development

During the late 1960s, the Israeli Army began collaborating on design notes for the Chieftain tank which had originally been introduced to British Army service,[9] with a view to Israel purchasing and domestically producing the vehicle. Two prototypes were delivered as part of a four-year trial. However, it was eventually decided not to sell the marque to the Israelis, as they were already being supplied to Arab countries, which prompted them to follow their own development programme.

Israel Tal, who was serving as a brigade commander after the Suez Crisis, restarted plans to produce an Israeli-made tank, drawing on lessons from the 1973 Yom Kippur War, in which Israeli forces were outnumbered by those of the Middle East's Arab nations.

By 1974, initial designs were completed and prototypes were built. After a brief set of trials, work began to retool the Tel HaShomer ordnance depot for full-time development and construction. After the new facilities were completed, the Merkava was announced to the public in the International Defense Review periodical. The first official images of the tank were then released to the American periodical Armed Forces Journal on May 4, 1977. The IDF officially adopted the tank in December 1979.

Firepower

The Merkava Mark I and II were armed with a 105 mm M64 gun, a license built variant of the M68. The Mark III, Mark III Dor Dalet BAZ kassag, and the Mark IV are armed with an IMI 120 mm smoothbore gun which can fire all versions of Western 120 mm smooth bore tank ammunition.

Each model of the Merkava has two roof mounted 7.62 mm machine guns for use by the commander and loader and another mounted co-axially with the main gun. A 60 mm mortar is also fitted for firing smoke rounds or suppressing dug-in infantry anti-tank teams.

All Merkava tanks are fitted with a remote-controlled M2 Browning .50 heavy machine gun, aligned with the main gun and controlled from within the turret. The .50 machine gun has proven to be useful and effective in asymmetric warfare.

Specifications

Mass 65 tonnes (143,000 pounds)
Length 9.04 m or 29.7 ft (incl. gun barrel)
7.60 m or 24.9 ft (excl. gun barrel)
Width 3.72 m or 12.2 ft (excl. skirts)
Height 2.66 m or 8.7 ft (to turret roof)
Crew 4 (commander, driver, gunner, and loader)
Passengers Maximum 6 passengers
Armor Classified composite/sloped armour modular design.
Main Armament
120 mm (4.7 in) MG253 smoothbore gun, capable of firing LAHAT ATGM
Secondary Armament
1 × 12.7 mm (0.50 in) MG
3 × 7.62 mm (0.300 in) MG
1 × Mk 19 grenade launcher
1 × 60 mm (2.4 in) internal mortar
12 × smoke grenades
Engine 1,500 hp (1,119 kW) turbocharged diesel engine
Power/weight 23 hp/tonne
Payload capacity 48 rounds
Transmission Renk RK 325
Suspension Helical spring
Ground clearance 0.45 m (1.5 ft)
Fuel capacity 1,400 litres
Operational Range 500 km (310 mi)
Maximum speed 64 km/h (40 mph) on road
55 km/h (34 mph) off road

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