First Armored
LVT(A)1 with hull built of light armor was the first amphibious tank. Photo by FMC

Heavy Hauler
The LVT(A)4 fitted with stern ramp and four .30 caliber machine guns, could carry 8,000 pounds of cargo or 35 combat troops. Photo by FMC

LVT(A)4 surrounded by Marine Dead on Iwo Jima. USMC photo.

After WW II
LVT(A)3's were fitted with and armored overhead cover and a single forward machine gun turret. Was used as the standard amphibian vehicle for the invasion of Inchon. USMC Photo

The LVT(A)1 was first used during the invasion of the Marshall Islands. USMC Photo