On 6 August 1914, two days after Britain had declared war on Germany, the German U-boats U-5, U-7, U-8, U-9, U-13, U-14, U-15, U-16, U-17, and U-18 sailed from their base in Heligoland to attack Royal Navy warships in the North Sea in the first submarine war patrol in history.[1]
Britain, France, Germany, Italy and USA all used submarines during WW1
World War 1
USSR; US; UK; Germany & Japan.
Germany used U boats.
World War I submarines were primarily used to locate and attack surface cargo and warships.
Shallow diving submarines are used for reef watching in many parts of the world.
They were used in the first world war in submarines. The are used now also for submarines and also war tanks. The outer coating of the periscope for the submarines were firm and waterproof for protection from the water pressure. As for the war tank the periscope is able to turn 360 degrees.
Germany was first to use submarines in World War 1 knwn as " U- 2 ". Later on UK and USA produced their own version. - b sharma.
They were used by submarines to navigate when not in open waters, They were also used by submarines and anti-submarine ships to locate enemy submarines.
No, not really, submarines were first used successfully in the Civil War.
submarines were used in WW1 and the weapons used were torpedos and a deck gun.
Germany made the first submarines in WW1. They were called U-Boats, short for "unterseeboat" Most modern submarines are descended from The Holland, christened in 1897, invented by John Holland.