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U3  VETERANS CREW   

Diving Officer, 1.O

The diving officer, also named 1. O was responsible for the diving calculations. He supervised the diving through the diving console in the control room. He was also in charge of manoeuvring, safety and torpedo.

He was serving as the officer in charge and was alternating in this role with the 2:nd officer.

The main responsibility for the 2:nd officer, 2. O, was the combat control executed from the combat centre-control room. The 2. O responsibility was also communication, sonar and mine service.

Submarine U3 Control room port, officers at the diving console corner, in the front helmsman and planesman.
U3 Control room port, officers at the diving console corner, in the front helmsman and planesman. Photo U3 archives.