WWI U-boats

k.u.k. U21

Type U-20
Shipyard
Ordered
Launched
Commissioned
Commanders
29 Jun 1916 - 24 Feb 1917 LSL. Josef Holub
15 Aug 1917 - 24 Mar 1918 LSL. Reichsfreiherr Hugo von Seyffertitz
24 Mar 1918 - 28 Aug 1918 LSL. Robert Dürrigl
28 Aug 1918 - 31 Oct 1918 LSL. Ladislaus Csicsery von Csicser
Career
No flotilla information available
SuccessesNo successes
Fate - .

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