Romanian Navy during World War II

Romanian Navy during the World War II Black Sea Campaign
Part of the Black Sea campaigns (1941-1944)
Romanian destroyer Regina Maria
Date 26 June 1941 – 23 August 1944 Location Black Sea Result Soviet victory
Belligerents
Romania	Soviet Union
Commanders and leaders
Horia Macellariu	Filipp Oktyabrskiy
Casualties and losses
1 torpedo boat 1 minelayer 2 motor torpedo boats	1 destroyer 16 submarines (1 shared) 2 motor gunboats 1 motor torpedo boat (shared)

Romanian naval operations in support of Axis land offensives
Part of the Eastern Front of World War II
Romanian monitor Mihail Kogălniceanu
Date 2 July 1941 – 19 November 1942 Location Black Sea, Danube Delta Result Romanian tactical victory
Belligerents
Romania	Soviet Union
Casualties and losses
1 submarine damaged 8 aircraft destroyed	1 destroyer damaged 4 submarines damaged 1 gunboat damaged 1 motor torpedo boat damaged 2 monitors damaged 7 armored motor gunboats sunk 1 cargo ship sunk 1 transport ship sunk

The Romanian Navy during World War II was the main Axis naval force in the Black Sea and fought against the Soviet Union's Black Sea Fleet from 1941 to 1944. Operations consisted mainly in mine warfare, but also escort missions and localized naval engagements. The largest naval action fought by the Romanian Navy was the 26 June 1941 Raid on Constanța, and its most extensive operation was the 1944 evacuation of the Crimea.

At the start of the War in September 1939, the Romanian Black Sea Fleet mainly consisted of: 2 flotilla leaders (Mărăști and Mărășești; the two warships were officially classed as destroyers, but they were actually light cruisers armed with 5 x 120 mm and 4 x 76 mm), 2 destroyers (Regele Ferdinand-class), 1 minelaying destroyer escort (Amiral Murgescu), 3 torpedo boats (250t-class), 3 motor torpedo boats (Vospers), 4 escort and patrol gunboats (ex-French Friponne-class), 1 minelayer (Aurora), 1 submarine tender (Constanța) and 1 submarine (Delfinul). In addition, four cargo ships of the Romanian Merchant Marine were converted to auxiliary minelayers and served alongside the Romanian Navy.

Wartime additions to the fleet included: 7 submarines (Rechinul, Marsuinul and five CB-class), 6 motor torpedo boats (Vedenia-class), 3 KFK naval trawlers, 3 landing craft of the MFP type and 4 S-boats. In August 1943, 7 Italian MAS motor torpedo boats were also transferred to the Romanian Navy.

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