- Second World War (1939-1945)
- Hauptmann (Flight Lieutenant)
- Stafflekapitän 9. / Kampfgeschwader 27 "Boelcke"
- Awarded on:
- March 7th, 1942
Awarded in recognition for his successes as a bomber pilot and Staffel leader on the Eastern front. During an armed reconnaissance by three He 111s over the Caucasian coast led by Petersen, the German bombers spotted enemy shipping in the port of Tuapse. They sunk a destroyer and an 8000 GRT merchant ship, and damaged 2 additional destroyers. On another occasion, Petersen and his Staffel attacked a Soviet brigade near Simferopol and forced it to withdraw. Petersen would be recognized appropriately for these and other successes.