Axis victory Submarine Campaign Between 1941 and 1944, Romania held control over much of the Ukrainian Black Sea coast East of the Crimea.

The Romanian conquest of the Soviet Western Black Sea coast started in July 1941 during Operation München and ended in October that year, after the Siege of Odessa.

[3][4][5][6] On 1 October 1942, near the Burnas Lagoon, the Soviet M-class submarine M-118 attacked and sank the German transport ship Salzburg.

After attacking, the submarine was located by a German BV 138C flying boat, and the Romanian gunboats Sublocotenent Ghiculescu and Stihi Eugen were sent to the scene.

[15][16] Also sunk by the Romanian-laid mines near Odessa were the motor gunboats YA-26 and YA-27 on 18 April 1944,[17] a few days after Transnistria was re-occupied by Soviet forces.