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HMS/M Triumph

HMS/M Triumph in dry dock January 1940

HMS/M Triumph (Lt.Cdr. J. W. McCoy) hit a mine on 26th December 1939, while on patrol in the Skagerrak. Her bows were shattered but by a miracle the torpedoes in the tubes did not detonate. One was blown completely out of its tube, a second had nothing but its tail remaining, a third had its explosive head crushed in. Eighteen feet of the boat's bows were missing and her pressure hull was split amidships for a distance of 12 feet. She was taking in a lot of water and she could not dive. Nor could her water-tight doors be shut, for if the forward space were isolated and left to flood, it would be enough to sink the boat. All that could be done was to plug the worst of the leaks and to keep the pumps running at full speed in the hope that they could keep pace with the incoming water.

The Triumph was 300 miles from the nearest British port, and between her and home lay the enemy minefields in the North Sea. But the explosion had not damaged the wireless aerial and McCoy was able to get a signal through, reporting the Triumph's plight, her position, and asking for air cover and surface escort, Then she turned for home, proceeding slowly into the sea. Any attempt to go fast would have put too much pressure on the forward bulkhead, and the boat's only chance of survival rested on that holding firm.
At home, as soon as Triumph's signal was received, RAF Beauforts of Coastal Command were sent out as fighter cover. They came exactly at the crucial moment. The Triumph had been sighted by an enemy bomber, which dived into the attack just as the Beauforts arrived. They drove it off before it could let go its bombs, and the Triumph was saved. A second attack later in the day was also broken up by the fighter escort, and that night two destroyers from home made contact to give the submarine a surface escort. She was safe enough now and slowly she made her way across the North Sea, finally to reach the Firth of Forth after two nights and a day of slow, painful progress.

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