German submarine ;
No warships were sunk; some support vessels were sunk by mines.
There were no submarines sunk or damaged during the attack on Pearl Harbor; all vessels either sunk or damaged were capital ships (battleships, cruisers, etc.) or support vessels (tenders, tugs, etc.).
Counting warships & merchantman, US subs sunk about 1,000 vessels.
Germany:U-48 - 52 ships sunk (307,934 tons)United States:By Tonnage - USS Flasher, 100,231 tonsBy Total # Ships Sunk - USS Tautog, 26 total ships
The American ship sunk by the Germans in 1917 was the SS Housatonic. It was a British cargo ship that was torpedoed by the German submarine U-53 off the coast of New England. The attack contributed to rising tensions between the United States and Germany, ultimately leading to the U.S. entering World War I. Although the ship was British, its sinking highlighted the dangers faced by American vessels during the war.
It affected American overseas trade because pirates from nations along the cost of North Africa attacked vessels from Europe and the United states.
Well over a dozen US Navy riverine boats were sunk in the Vietnam War; Swift Boats (PCF); PBRs (Patrol Boat River), Alpha Boats (ASPB-Assault Support Patrol Boats); unknown number of Monitors sunk, if any. The ex-USN Aircraft Carrier USS Card was sunk by communist sappers in harbor in South Vietnam.
Approximately 36 vessels were sunk and over 336 damaged. See websites: Battle of Okinawa; Kamikazes; and US Destroyers sunk during WW2.
spanish american war
Caroline
Reuban James.
The Maine sunk before the Spanish-American War.