However, the M551 is still used by the 82nd Airborne Division. As projectile technology advanced, the Sheridan's potential declined and it was phased out of the US inventory beginning in 1978. Sheridan-equiped units participated in Operation Just Cause in Panama (1989), and wasĭeployed to Saudi Arabia during Operation Desert Shield. The missle system was useless against an enemy that employed tanks, though the Sheridan saw a lot of use towards the end of the war because of its mobility. The Sheridan saw limited action in Vietnam, where many deficiencies were revealed. Initially produced in 1966, the M551 was fielded in 1968. Although light enough to be airdrop-capable, the alumninum armour was thin enough to be pierced by heavy machine-gun rounds, and the vehicle was particularly vulnerable to mines. Secondary armament consists of 7.62-mm coaxial machine gun and 12.7-mm anti. Protection for the four-man crew is provided by an aluminum hull and steel turret. The MGM-51 Shillelagh anti-tank missiles also could not penetrate well armored MBTs. A Detroit Diesel 6V-53T 300hp turbo-charged V-6 diesel engine and an Allison TG-250-2A poweshift transmission provide the Sheridan's power.
In addition to the main gun/missile launcher, the M551 is armed with a 7.62mm M240 machine gun and a 12.7mm M2 HB antiaircraft machine gun.
Tasarmnn orijinal plan ar byk bir silaha. The Shillelagh missles were evidently never used in anger. MGM-51 Shillelagh klasik (tank vb.) toplardan atlabilmesi iin tasarlanan Gdml tanksavar fzesiydi. The gun would foul with caseless ammuniton, gun firing would interfere with missle electronics, and the entire vehicle recoiled with unusual vigor when the gun was fired, since the 152mm gun was too big for the light-weight chassis. The MGM-51 Shillelagh antitank missile (20 conventional rounds and 8 missiles).ĭue to problems with the gun-tube-launched antitank missile, the Sheridan was not fielded widely throughout the Army. The main armament consists of anġ52mm M81 gun/missile launcher capable of firing conventional ammunition and Reconnaissance vehicle with heavy firepower. The M551 Sheridan was developed to provide the US Army with a light armored M551A1 Armored Reconnaissance Airborne Assault Vehicle (Sheridan)
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