The advent of combined arms operations in World War II created the need for specialized armored vehicles. In the case of amphibious attacks, the issue arose of

The US armed forces were responsible for many tactical innovations during the years 1941–45, but in no field was US mastery more complete than amphibious warf

The Sherman DD (Duplex Drive) tank was a brilliant innovation; the design and development of a tank that could float and even 'swim' in water was controversial.

The US armed forces pioneered amphibious warfare in the Pacific and by the time of the D-day landings they had perfected the special equipment and tactics neces

For the men who served in America's Amphibious Forces during World War II, the conflict was an unceasing series of D-Days. They were responsible for putting men