|Intro||Recipient of the Knight's Cross|
|Birth||May 28, 1904 (Wilhelmshaven)|
|Death||February 9, 1988 (Oldenburg)|
Johann-Friedrich Wessels (28 May 1904 in Wilhelmshaven-Rüstringen – 9 February 1988 in Oldenburg) was a German chief engineer on a U-boat in World War II and recipient of the Knight's Cross of the Iron Cross (German: Ritterkreuz des Eisernen Kreuzes). The Knight's Cross of the Iron Cross was awarded to recognise extreme battlefield bravery or successful military leadership. Wessels was chief engineer on board of U-47 for four war patrols, including Günther Priens' infiltration of Scapa Flow and sinking of HMS Royal Oak. He then transferred to U-198 under the command of Werner Hartmann with whom he went on one patrol lasting 199 days. His final posting was on U-870 under Ernst Hechler.
- Wehrmacht Long Service Award 4th and 3rd Class (2 October 1936)
- Iron Cross (1939)
- 2nd Class (25 September 1939)
- 1st Class (17 October 1939)
- U-boat War Badge (1939) (19 December 1939)
- U-boat Front Clasp in Bronze (4 October 1944)
- Knight's Cross of the Iron Cross on 9 March 1944 as Kapitänleutnant (Ing.) and chief engineer on U-198
- ^ Busch & Röll 2003, p. 427.
- Busch & Röll 2003, p. 428.
- Scherzer 2007, p. 781.