'Gladiole' was a U-boat minelaying operation in the Pechora Sea by Oberleutnant Hans-Helmuth Bugs’s U-629 (19/31 July 1943).
The boat laid 24 TMB mines on 27 July, and it is believed that none of these claimed a victim.
© 2023 Christopher Chant
Last update: 28/09/23
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