HMS Upholder (P37)
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HMS Upholder was a Royal Navy U-class submarine built by Vickers-Armstrongs at Barrow-in-Furness. She was laid down on 30 October 1939, launched on 8 July 1940 by Mrs. Doris Thompson, wife of a direct
HMS Upholder
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The Italian cargo ship Tembien, which Upholder sank in 1942 with the loss of almost 500 men
Italian torpedo boat Pegaso, which may have sunk HMS Upholder off Tripoli
10th Submarine Flotilla
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The 10th Submarine Flotilla was a Royal Navy submarine formation during World War I and during World War II
HMS Una one of the 10th Submarine Flotilla boats
HMS Rorqual and Thunderbolt mooring up at Malta's submarine base in 1943