HMS Stubborn was a 1940 S-Class British submarine launched in November 1942.
She served in various places during the war and in 1945 saw action in the Pacific.
She recorded the deepest dive made during the war by a British submarine to 165 metres.
Originally sunk off the coast of Malta for target practice, she lies at 57m and is an excellent tec dive.
Certification Level: Tec 50