HMS Thetis was a Group 1 T-class submarine of the Royal Navy which sank during sea trials in Liverpool Bay, England on 1 June 1939. After being salvaged and repaired, the boat was recommissioned as HM
HMS Thunderbolt returning from patrol during WWII
Mersey Docks & Harbour Board salvage vessel Vigilant and the sunken Thetis's raised stern
The Royal Navy's T class of diesel-electric submarines was designed in the 1930s to replace the O, P, and R classes. Fifty-three members of the class were built just before and during the Second World
HMS Thorn
Drawing of the docking plans for late Tiptoe, Trump, Taciturn, Tapir, Teredo, Theban and Tijgerhaai
On board HMS Tribune in 1942
INS Leviathan (formerly HMS Turpin) and INS Dolphin (formerly HMS Truncheon) at Haifa port, in 1968.