12 May 1945--the Coast Guard-manned frigate USS Forsyth (PF-102) was called off her weather station to search through haze and fog for a German submarine that was attempting to surrender. Three days later Forsyth joined Sutton (DE-771) in accepting the surrender of U-234 at 46º 39′ N. x 45º 39′ W. This submarine was carrying a German technical mission and supplies, including a cargo of uranium, to Tokyo. Earlier, two Japanese passengers on board had committed suicide rather than surrender
16 May 1945 – The Nazi submarine U-234 surrendered to US forces at Portsmouth, NH. It had been bound for Tokyo with 10 containers of uranium oxide. The atomic material ended up in the bombs dropped on Hiroshima and Nagasaki.