U-boat Patrols

Patrols by U-421

See the profile page for U-421

 CommanderDepartureArrivalDaysTons 
1Oblt. Hans Kolbus6 Nov 1943  Kiel8 Jan 1944  Brest64 days P View
2Oblt. Hans Kolbus19 Feb 1944  Brest1 Apr 1944  Toulon43 days P View

2 War patrols (P) located. 107 days at sea during patrols.
War patrols are shown with grey background.

Tons indicate tonnage of ships sunk or damaged during the patrol, if any. Warships are included.

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