List of lost United States submarines

These United States submarines were lost either to enemy action or to "storm or perils of the sea." == Before World War II == Additionally: G-2, decommissioned as a target, flooded and sank unexpectedly 30 July 1919 in Two Tree Channel near Niantic, Connecticut with the loss of three crew. S-48 foundered 7 December 1921 in 80 feet (24 m) of water on a pre-commissioning dive.