This is a list of submarines of World War II, which began with the German invasion of Poland on 1 September 1939 and ended with the surrender of Japan on 2 September 1945.

During the Second World War, submarines comprised less than 2 percent of the U.S. Navy, but sank over 30 percent of Japan's navy, including eight aircraft carriers.

Before sonar became dependable, most submarine combat took place during the day, for the advantage of sunlight (depending on depths). Recharging the batteries usually occurred when combat was more …

In World War II, 52 US submarines were lost, with a total of 3,506 officers and enlisted men killed. The US Navy Submarine Service had the highest casualty percentage of any American forces in the War: …

Apr 25, 2023 · This list represents all of the American submarine classes that saw service in WWII.

Between 1936 and the end of the war, the U.S. Navy commissioned over 250 submarines. They were larger, faster, and more heavily armed than earlier classes, and they had a major impact on …

Page showcases all attack submarines and related submersibles used by all sides of World War 2.

Submarines had a significant impact on naval operations during World War II and were used to sink major fleet units, especially in the Pacific, and to attack enemy commerce.

Unlike the post war nuclear submarines, World War 2 submarines had quite limited underwater speed, range, and endurance. They usually sailed on the surface, especially at night, and submerged only …

Explore the WWII Submarine Fleet at Pearl Harbor. Learn about the Challenges of WWII Submarine, Punching Above Their Weight, and Sacrifice of Submarine Crews.