All hands lost.[4] U-103 AG Weser, Bremen 24 May 1938 6 September 1939 12 April 1940 5 July 1940 Sunk on 15 April 1945 at Kiel in an Allied bombing raid.[5] U-104 AG Weser, Bremen 24 May 1938 10 November 1939 25 May 1940 19 August 1940 Missing since 28 November 1940 north-west of Ireland.