![Fregattenkapitän Otto Kretschmer - German U-boat Commanders of WWII - The Men of the Kriegsmarine - uboat.net Fregattenkapitän Otto Kretschmer - German U-boat Commanders of WWII - The Men of the Kriegsmarine - uboat.net](https://uboat.net/media/men/commanders/kretschmer2.jpg)
Fregattenkapitän Otto Kretschmer - German U-boat Commanders of WWII - The Men of the Kriegsmarine - uboat.net
Das U-Boot in Farbe - The U-99 was a Type VIIB U-boat of German Kriegsmarine during World War II. She was laid down on 31 March 1939 at the Friedrich Krupp Germaniawerft
![U-Boats inside the Convoy: U-99 on the Surface Having Torpedoed the Tanker 'Ferm', 7 March 1941 | Art UK U-Boats inside the Convoy: U-99 on the Surface Having Torpedoed the Tanker 'Ferm', 7 March 1941 | Art UK](https://d3d00swyhr67nd.cloudfront.net/w944h944/collection/IWM/IWM/IWM_IWM_LD_7404-001.jpg)