Submarine Campaign The Battle of Jibrieni was an attack on 17 December 1941 by a Soviet submarine on an Axis convoy and its Romanian escorts off the coast of the Romanian village of Jibrieni (today Prymorske, Ukraine).

The two torpedoes launched by the Soviet submarine missed the aft and bow of the Romanian destroyer by about 30 feet (9.1 m) each.

With 25 knots (46.3 km/h), Regele Ferdinand rushed to the place the torpedoes were launched from and dropped three series of depth charges.

Regele Ferdinand reported the sinking of the submarine, which was confirmed by the Romanian Naval Command.

[3][4][5] According to modern Russian sources, M-59 was probably lost several weeks prior in minefields east of Constanța, in late October or early November before the battle took place.