USA
Enemy surface ships are the main target of submarine warfare
Germany hoped that submarine warfare would lead to war.
Anti submarine warfare
Germany's submarine warfare was unrestricted. These attacks led to World War I.
Submarine warfare has existed since the early 1900's, and continues to this day. Though the last ship sinking by a submarine was in the Falklands War, the evolving missions of submarines have taken submarine warfare well beyond just sinking ships and submarines.
No, anti-submarine warfare (ASW) and submarine warfare are not the same. ASW focuses on detecting, tracking, and neutralizing enemy submarines to protect naval forces and shipping lanes. In contrast, submarine warfare involves the offensive operations conducted by submarines, including attacking surface ships and engaging in strategic missions. Each has distinct strategies, technologies, and objectives within naval operations.
unrestricted submarine warfare
submarine warfare
Germany's unrestricted submarine warfare
The Story of Submarine Warfare in the Pacific - 1945 was released on: USA: 1986 (VHS release)
it was Germany.
Anti-Submarine Warfare.