RN Submarines - May 17th

1912	E5	Submarine HMS E5 launched
1917	G14	Submarine HMS G14 launched
1919	H33	Submarine HMS H33 completed
1919	L71	Submarine HMS L71 launched
1945	Ambush	Submarine HMS Ambush laid down
1917	Sea Lions	Second experiment using Sea Lions to detect submarines begins
1945	HMS Terrapin	HMS Terrapin sinks a Japanese sailing vessel and damages another with gunfire in the western part of the Java Sea.
1945	Tiptoe	HMS Tiptoe sinks a Japanese coaster with gunfire of Sumbawa Island, Netherlands East Indies.
1958	Aurochs	Aurochs was patrolling the Molucca Sea off Indonesia when an unidentified aircraft machine-gunned her. No casualties or damage were sustained. President Sukarno's Indonesian government told the UK Government that its armed forces had not made the attack. The UK Foreign and Commonwealth Office stated that it accepted the assurance and assumed that North Celebes insurgents had carried out the attack.

Barrow Submarine Association