|Ordered||25 Aug 1941|
|Laid down||16 Nov 1942||H C Stülcken Sohn, Hamburg (werk 787)|
|Launched||23 Jul 1943|
|Commissioned||8 Nov 1943||Oblt. Otto Wollschläger|
|Successes||No ships sunk or damaged|
Scuttled on 5 May 1945 in the Gelting Bay. Wreck broken up.
This boat was fitted with a Schnorchel underwater-breathing apparatus in September 1944.
Men lost from U-boats
Unlike many other U-boats, which during their service lost men due to accidents and various other causes, U-721 did not suffer any casualties (we know of) until the time of her loss.
We have 1 emblem entry for this boat. See the emblem page for this boat or view emblems individually below.