German submarine U-624

German submarine U-624 was a Type VIIC U-boat built for Nazi Germany's Kriegsmarine for service during World War II. She was laid down on 15 July 1941 by Blohm & Voss in Hamburg as 'werk' 600, launched on 31 March 1942 and commissioned on 28 May 1942 under Kptlt Ulrich Graf von Soden-Fraunhofen.

Service History
The boat's service began on 28 May 1942 with training as part of the 8th U-boat Flotilla. She was transferred to the 7th Flotilla, operating out of St.Nazaire, on 1 October 1942 for active service in the North Atlantic.

In just 2 patrols she sank 5 merchant ships, for a total of 39,855 GRT, plus 1 merchant ship damaged. Three Royal Navy landing craft were also sunk as they were being transported by Kosmos II at the time she was sunk.

Fate
U-624 was sunk on 7 February 1943 in the North Atlantic in position 55.7°N, -26.28333°W. She was caught unawares on the surface whilst transmitting to base a lengthy report of the previous night's action around Convoy SC 118. A RAF Liberator aircraft of (Sqdn. 220/J), operating out of Londonderry, depth charged her 55 nmi astern of the convoy. All 45 hands were lost.