USMC Landing Vehicle, Tracked (1)

The LVT(1) was directly derived from the Roebling Alligator, but fabricated from sheet steel instead of aluminum used in prototypes and with other improvement identified during Marine Corps tests. It was often called the AMTRAC for Amphibian Tractor.

LVT(1) AMTRACs from USMC 3rd Assault Amphibian Battalion, Bougainville (Solomon Islands), circa Nov 1943 to March 1944.  The battalion landed with 124 LVT(1) AMTRACs
LVT(1) AMTRACs from USMC 3rd Assault Amphibian Battalion, Bougainville (Solomon Islands), circa Nov 1943 to March 1944. The battalion landed with 124 LVT(1) AMTRACs.

Today in WW II: 16 May 1940 US Pres. Roosevelt asks Congress for funding to build 50,000 airplanes per year, a startling undertaking at the time.  More 
16 May 1943 Royal Air Force No. 617 Squadron [The Dambusters] destroyed the M√∂hne and Eder dams on the Ruhr, causing catastrophic flooding [Operation Chastise, 16‚~ez_euro~~ez_ldquo~17 May].
16 May 1943 Warsaw Ghetto Uprising ends with liquidation of the poorly equipped Jewish resistance by German Troop.
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USMC Landing Vehicle, Tracked (1) (LVT(1) or AMTRAC)

The first LVT(1) units were not armored and carried no weapons, being used as logistic support vehicles only. At the Battle of Tarawa (November 1943), bolted on armor plate was used and the vehicles were equipped with one to four .30 cal. machine guns. The first production LVT(1) rolled off the Food Machinery Corporation's (FMC) assembly line in July 1941 and the last in 1943.

The LVT-1 was powered by a 6 cylinder, 146 hp Hercules engine that drove it at a land speed of up to 18 mph and water speed of 7 mph. The LVT(1) tracks were endless chains fitted with cleats, used both in the water and on land.

LVT(1) AMTRAC
LVT(1) AMTRAC on the beach, Tarawa, November 1943.

LVT(1) AMTRAC training at Hampton Roads, VA durng WW II
LVT(1) AMTRAC training at Hampton Roads, VA durng WW II.

LVT(1) AMTRAC exhibited by manufacturer (FMC) in 1941 parade, Lakeland, FL
LVT(1) AMTRAC exhibited by manufacturer (FMC) in 1941 parade, Lakeland, FL.

USMC LVT(1) amphibian tractors move toward the beach on Guadalcanal, probably during the 7-9 August 1942 initial landings.  Ship in the background is USS President Hayes (AP-39)
USMC LVT(1) amphibian tractors move toward the beach on Guadalcanal, probably during the 7-9 August 1942 initial landings. Ship in the background is USS President Hayes (AP-39).