Patrol info for U-23
Date lookup for 21 Sep 1939
| Departure | Arrival / Fate | Duration | ||
| 9 Sep 1939 | Wilhelmshaven | 21 Sep 1939 | Kiel | 13 days |
Commander | Officers * |
 Kptlt. Otto Kretschmer |
1WO Oblt. Adalbert Schnee |
Patrol description
Patrol in the North Sea off the east coast of Scotland. On 17 September, the boat was out of torpedoes after two unsuccessful attacks and returned to Kiel for an overhaul. On its way through the Skagerrak U-23 controlled five neutral ships for contraband but they were all bound for neutral harbours.
U-23's position on 21 Sep 1939
Ships hit by U-23 on this date
General Events during this patrol
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Attacks on U-23 during this patrol
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* These are officers that later became commanders themselves.