Ordered 7 Aug 1939
Laid down 10 Jul 1940 AG Weser, Bremen (werk 991)
Launched 20 Feb 1941
Commissioned 12 May 1941 - KptLt Ulrich Heyse (Knights Cross)
Commanders
12 May 1941 - 28 Feb 1943 KptLt Ulrich Heyse (Knight Cross)
1 Mar 1943 - 17 May 1943 OberLt Hermann Steinert
Career
6 patrols
12 May 1941 - 30 Nov 1941 2.Flotille (training)
1 Dec 1941 - 17 May 1943 2.Flotille (active service)
Successes 12 ships sunk, total tonnage 83,639 GRT
Fate: Sunk on 17 May 1943 in the South Atlantic south of Recife, Brazil, in position 10.00S, 35.35W, by depth charges from two US Mariner aircraft (VP-74 USN/P-5 & P-6) and gunfire from the US destroyers USS Moffet and USS Jouett. 7 dead and 47 survivors.
By www.uboat.net
In the south Atlantic U-128 sank 4 ship with a total of 32,585 DWT
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