German submarine U-691 was a Type VIIC/41 U-boat of Nazi Germany's Kriegsmarine during World War II. Her construction by Howaldtswerke of Hamburg was ordered on 2 April 1942, suspended on 30 September 1943, and cancelled on 22 July 1944.[1] The new Elektro Boat XXI design had made the Type VIIs obsolete.
History | |
---|---|
Nazi Germany | |
Name | U-691 |
Ordered | 2 April 1942 |
Builder | Howaldtswerke, Hamburg |
Yard number | 840 |
Fate |
|
General characteristics | |
Class and type | Type VIIC/41 submarine |
Neal Stephenson's novel Cryptonomicon includes a fictitious U-691, a Type IXD/42, launched at Wilhelmshaven on 19 September 1940 (four years before IXD/42s were actually developed) and fitted with an experimental schnorkel.