| Kapitanleutnant Forstner addressing his crew during U-402's Commissioning Ceremony May 21, 1941 at the Danziger Werft, Danzig. The National Ensign is folded on the flag pole ready to be unfurled. |
Photographs of U-402 from the Bibliothek für Zeitgeschichte in Stuttgart, Germany
| Kapitanleutnant Forstner addressing his crew during U-402's Commissioning Ceremony May 21, 1941 at the Danziger Werft, Danzig. The National Ensign is folded on the flag pole ready to be unfurled. |
| Return from her fifth patrol to La Pallice on 20 November 1942 |
| Return from patrol on which Klt. Forstner was awarded Ritzcruz 23 February 1943 in La Pallice. The boat's claimed tonnage and motto can be seen on the conning tower. |
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The crew prepares to move a torpedo below decks |
| Torpedo is lowered thorough the forward loading hatch |