US Higgins and Elco were the largest builders.
See website: Patrol Torpedo Boats (PT Boats)
Russell E. Schuster has written: 'Motor Torpedo Boat Squadron 34 history' -- subject(s): American Naval operations, Campaigns, History, Torpedo-boats, United States, United States. Navy. Motor Torpedo Boat Squadron 34, World War, 1939-1945
They were intended to protect the battleships and cruisers from attack by enemy torpedo boats. After the war torpedo boats became less of a threat, but destroyers were retained to protect the larger warships against two new threats; enemy aircraft and submarines.
The wooden boats contained 3 engines, which consumed nearly 200 gallons of gas per engine an hour; Consequently, they carried about 3,000 gallons of gasoline.
Howard F. West has written: 'Iron men, wooden boats' -- subject(s): American Naval operations, American Personal narratives, Campaigns, Naval operations, Naval operations, American, Personal narratives, American, Torpedo boats, Torpedo-boats, World War, 1939-1945
In World War II, German U-boats sank many ships off the coast of North Carolina.
Torpedoes were originally launched from torpedo boats in the 1870s. Although TBs were still used, by the Russo-Japanese War of 1904, Torpedo Boat Destroyers (TBDs) were more effective in launching torpedoes; as well as destroying TBs. Which is why they were called "destroyers", because they originally were designed to "destroy (kill)" torpedo boats.
"Torpedo Boats" (not gun boats) of the North Vietnamese Navy's 135th Torpedo Boat Squadron attacked the destroyer USS Maddox in the Tonkin Gulf on 02 August 1964.
The deadliest torpedo of WWII was the oxygen fuelled Japanese Long Lance torpedo.
Subs are often referred to as boats.
A PT boat, a swift torpedo motor boat
Germany