Operation Coronel III

(naval battle off the coast of Chile in World War I)

'Coronel III' was a U-boat wolfpack operation in the North Atlantic (14/17 December 1943).

The wolfpack comprised U-107, U-415, U-541, U-543, U-618, U-645, U-667, U-801 and U-962, and for the loss of Oberleutnant Otto Ferro’s U-645, for no known reason, sank no ship.