Title: Anti-submarine warfare in World War I
Subjects: Anti-submarine warfare, British Aerial operations, German Naval operations, History, Naval operations, Submarine, World War, 1914-1918, World war, 1914-1918, aerial operations, World war, 1914-1918, naval operations, submarine, World war, 1914-1918, germany, Guerre mondiale, 1914-1918, Opérations sous-marines, Guerre anti-sous-marine, Histoire, Military, World War I., Aerial Military operations, British, Naval Military operations, German
Places: Great Britain
Time periods: 20th century