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US Coast Guard Cutter Duane exchanging blinker signals with a US Navy K-class airship, 1943. Both crafts were serving as convoy escorts in the North Atlantic. | A boarding party shoves off from United States Coast Guard cutter Spencer to board the U-175 after the sub was forced to the surface by depth charges, North Atlantic, 500 nautical miles WSW of Ireland, 17 Apr 1943. | Boarding party from Coast Guard cutter Spencer approaching the U-175 after the sub was forced to the surface by depth charges, North Atlantic, 500 nautical miles WSW of Ireland, 17 Apr 1943. Minutes later, U-175 sank. | Boarding party from Coast Guard cutter Spencer approaching the U-175 after the sub was forced to the surface by depth charges, North Atlantic, 500 nautical miles WSW of Ireland, 17 Apr 1943. Minutes later, U-175 sank. |
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Crew of USS Spencer cared for rescued U-175 sailors, North Atlantic, 500 nautical miles WSW of Ireland, 17 Apr 1943, photo 1 of 2 | Crew of USS Spencer cared for rescued U-175 sailors, North Atlantic, 500 nautical miles WSW of Ireland, 17 Apr 1943, photo 2 of 2 | Obersteurmann Helmut Klotzch of U-175 yelled for help after the submarine sank in the North Atlantic, 500 nautical miles WSW of Ireland, 17 Apr 1943 | The decks and conning tower of U-175 after being forced to the surface by depth charges from Coast Guard cutter Spencer just before U-175 sank, North Atlantic, 500 nautical miles WSW of Ireland, 17 Apr 1943. |
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U-175 forced to surface after being depth charged by USCG cutter Spencer, North Atlantic, 500 nautical miles WSW of Ireland, 17 Apr 1943 | US Coast Guard crew of cutter Spencer watched as a depth charge exploded near U-175, North Atlantic, 500 nautical miles WSW of Ireland, 17 Apr 1943 | View from United States Coast Guard cutter Spencer as she approached U-175 after being forced to the surface by depth charges and just before U-175 sank, North Atlantic, 500 nautical miles WSW of Ireland, 17 Apr 1943. | View from United States Coast Guard cutter Spencer as she approached U-175 after being forced to the surface by depth charges and just before U-175 sank, North Atlantic, 500 nautical miles WSW of Ireland, 17 Apr 1943. |