Noun
(military, nautical, historical) Any German submarine of the First or Second World War, or any Austro-Hungarian submarine of the First World War.
A narrow, utility cart with tall handles on both ends that is used to carry loads of retail products to be sold, so named because its shape is roughly that of a capital U.
(rail transport, slang) Nickname given to the General Electric Universal Series diesel-electric locomotives.
Source: en.wiktionary.orgAfter realising that the passengers were primarily POWs and civilians Doenitz, Grand Admiral Karl Memoirs, Ten Years and Twenty Days: Frontline Books, 1990, p. 255 the U-boat started rescue operations while flying the Red Cross flag. Source: Internet
After the raid, Werner leaves the U-boat bunker in which he had taken shelter and finds the captain, badly injured by shrapnel and bleeding from the mouth, watching the U-boat sink at the dock. Source: Internet
Airships from the ZP-12 unit took part in the sinking of the last U-Boat before German capitulation, sinking U-881 on 6 May 1945 together with destroyers Atherton and Mobery. Source: Internet
After receiving the order to commence the operation, the U-boat moved to a position convert east of May Island at dawn on 31 May. Source: Internet
After several hours, the U-boat managed to escape but was unable to pursue the convoy. Source: Internet
Biography of the leading British escort group commander, Frederick John Walker * Werner, Herbert A. Iron Coffins : The account of a surviving U-boat captain with historical and technical details ;General histories of the campaign * Blair, Clay. Source: Internet