Black Sea campaigns (1941–44)

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Black Sea Campaigns
Part of the Eastern Front of World War II
Soviet battleship Sevastopol (Parizhskaya Kommuna)
Date 22 June 1941 – August 1944
Location Black Sea
Result Soviet Victory
Romania Romania
Nazi Germany Germany
Kingdom of Italy Italy
Bulgaria Bulgaria
Independent State of Croatia Croatia
Hungary Hungary[1]
Soviet Union Soviet Union
Commanders and leaders
Horia Macellariu
Nazi Germany Helmut Rosenbaum
Kingdom of Italy Francesco Mimbelli
Soviet Union Filipp Oktyabrskiy
Soviet Union Lev Vladimirsky
Kingdom of Romania Romania
1 monitor
3 cruisers
3 destroyers
23 torpedo boats
8 submarines
15 ASW craft
3 landing craft
Kingdom of Bulgaria Bulgaria
11 torpedo boats
5 ASW craft
14 landing craft
Nazi Germany Germany
16 torpedo boats
6 submarines
49 ASW craft
100+ landing craft
Kingdom of Italy Italy
7+ torpedo boats
6 submarines
Independent State of Croatia Croatia
12 ASW craft
Soviet Union Soviet Union
1 battleship
6 cruisers
18 destroyers
84 torpedo boats
44 submarines
2 gunboats
18 minelayers

The Black Sea Campaigns were the operations of the Axis and Soviet naval forces in the Black Sea and its coastal regions during World War II between 1941 and 1944, including in support of the land forces.

The Black Sea Fleet was as surprised by Operation Barbarossa as the rest of the Soviet Military. The Axis forces in the Black Sea consisted of the Romanian and Bulgarian Navies together with German and Italian units transported to the area via rail and Canal. Although the Soviets enjoyed an overwhelming superiority in surface ships over the Axis, this was effectively negated by German air superiority and most of the Soviet ships sunk were destroyed by bombing. For the majority of the war, the Black Sea Fleet was commanded by Vice Admiral Filipp Oktyabrskiy, its other commander being Lev Vladimirsky.

All of the major Soviet shipyards were located in the Ukraine (Nikolayev) and Crimea (Sevastopol) and were occupied in 1941. Many incomplete ships which were afloat were evacuated to harbors in Georgia which provided the main bases for the surviving fleet. These ports such as Poti, however had very limited repair facilities which significantly reduced the operational capability of the Soviet Fleet.

Soviet naval strength[edit]

On 22 June 1941, the Black Sea Fleet of the Soviet Navy consisted of:

Ship Type Number Note/class
Battleship 1 Parizhskaya Kommuna
Cruisers 6 Molotov, Voroshilov, Chervona Ukraina, Krasnyi Krym, Krasny Kavkaz, and Komintern
Destroyer leaders 3 Leningrad-class destroyer and Tashkent-class destroyer
Destroyers (modern) 11 6 Type 7, 5 Type 7U,
Destroyers (old) 5 4 Fidonisy-class destroyer, 1 Derzky-class destroyer
Submarines 44
Escort vessels/gunboats 2
Mine warfare vessels 18
Motor torpedo boats 84

Axis naval strength[edit]

Romanian Navy[edit]

At the start of the War in September 1939, the Romanian Black Sea Fleet mainly consisted of: 2 scout cruisers (Mărăști and Mărășești), 1 cruiser-sized submarine tender (Constanța; largest purpose-built Romanian warship of World War II), 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), and 1 submarine (Delfinul).[2] In addition, four cargo ships of the Romanian Merchant Marine were converted to auxiliary minelayers and served alongside the Romanian Navy.[3]

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.[4][5][6] In August 1943, 7 Italian MAS motor torpedo boats were also transferred to the Romanian Navy.[7]

Also available for coastal operations off the mouth of the Danube was the monitor Mihail Kogălniceanu. Initially built as a river monitor, she was converted to a sea-going monitor in early 1918.[8] The four Trotușul-class gunboats were officially part of the Romanian Danube Flotilla, but they were also available for service at sea as anti-submarine vessels, due to each carrying 6 depth charges.[9] Similarly, the four British-built 50-ton river boats of the V1-class were also made available for service at sea, each being fitted to carry 6 depth charges as well (each of the four boats was also armed with one 47 mm naval gun, one 37 mm anti-aircraft gun and two machine guns).[10][11]

Romanian destroyer Regina Maria
Ship Type Number Note/class
Monitors 1 Mihail Kogălniceanu
Cruisers 3 Aquila-class (Mărăști and Mărășești) and the cruiser-sized submarine tender Constanța
Destroyers 3 Regele Ferdinand-class (Regele Ferdinand and Regina Maria) and Amiral Murgescu (destroyer escort)
Submarines 8 Delfinul, Rechinul, Marsuinul and five CB-class midget submarines
Torpedo craft 23 250t-class (Năluca, Sborul, Smeul), Vedenia-class (Vedenia, Vântul, Vârtejul, Vulcanul, Viforul and Vijelia), Vospers-class (Viscolul, Viforul and Vijelia), seven MAS motor torpedo boats and four S-boats
Anti-submarine craft 15 Friponne-class (Dumitrscu, Ghiculescu, Stihi and Lepri), Number 31-class (Number 31, Number 32, Number 33 and Number 34), V1-class (V1, V2, V3 and V4) and three German KFK naval trawlers
Landing craft 3 MFP type (PTA-404, PTA-405, PTA-406)


German Type IIB submarine U-9, re-assembled for the Kriegsmarine at the Galați shipyard

As Turkey was neutral during World War II, the Axis could not transfer warships to the Black Sea via the Bosphorus. However, several small ships were transferred from the North Sea via rail, street and canal networks to the Danube. These included six Type IIB U-boats of the 30th U-boat Flotilla which were dis-assembled and shipped to Romania along the Danube. They were then re-assembled at the Romanian Galați shipyard in late 1942 and afterwards sent to Constanța. The Germans also transported 10 S-boats (Schnellboote) and 23 R-boats (Räumboote) via the Danube and built armed barges and KTs (Kriegstransporter, literally war transports) in the captured Nikolayev Shipyards in Mykolaiv. Some ships were obtained in Romania, Bulgaria and Hungary, and then converted to serve the German cause, such as the S-boat tender Romania, the minelayer Xanten and the Anti-submarine trawler UJ-115 Rosita. Additional vessels were built in German or local shipyards, captured from Soviets, or transferred from the Mediterranean nominally as merchant ships. In total, the German naval forces in the Black Sea mainly amounted to 6 coastal submarines, 16 S-boats, 23 R-boats, 26 submarine chasers and over 100 MFP barges.[12] The German Black Sea fleet ultimately operated hundreds of medium and small warships or auxiliaries before its self-destruction immediately prior to the defection of Bulgaria. Very few vessels were able to make good their escape via the Danube.

Croatian Naval Legion[edit]

The Croatian Naval Legion was formed in July 1941. It was initially comprised some 350 officers and ratings in German uniform, but this eventually swelled to 900–1,000. Their first commander was Andro Vrkljan, later replaced by Stjepan Rumenović. The Croats' purpose in posting a naval contingent to the Black Sea was to evade the prohibition on an Adriatic navy imposed by the 18 May 1940 Treaty of Rome with Italy. This prohibition effectively limited the Croatian Navy (RMNDH) to a riverine flotilla. Upon its arrival at the Sea of Azov, managed to scrounge up 47 damaged or abandoned fishing vessels, mostly sailing ships, and to man them hired local Russian and Ukrainian sailors, many deserters from the Soviet Navy. The Legion later acquired 12 German submarine hunters and a battery of coastal artillery. Lieutenant Josip Mažuranić notably commanded the submarine hunter UJ2303.[13]

Bulgaria, Italy, and Hungary[edit]

Despite Bulgaria's neutral status in the German-Soviet war, the Bulgarian navy was involved in escort duties to protect Axis shipping against Soviet submarines in Bulgarian territorial waters. The small Bulgarian Navy mainly consisted of 4 old torpedo boats,[14] 3 modern German-built motor torpedo boats,[15] 4 Dutch-built motor torpedo boats of the Power type,[16] 2 SC-1 class submarine chasers[17] and 3 anti-submarine motor launches.[18] In late August 1944, 14 MFP landing barges were transferred to Bulgaria.[19]

The Italian Navy dispatched a small force to the Black Sea. The force dispatched included six CB class midget submarines and a flotilla of torpedo motorboats. Hungary became landlocked in the aftermath of World War I, but some Hungarian merchant ships were able to reach the Black Sea via the Danube River. Hungarian cargo ships were operated as part of Axis sea transport forces on the Black Sea, and thus participated in the Axis evacuation from Crimea.

Operations in 1941[edit]

Soviet destroyer leader Moskva which sunk on 26 June

On June 26 the Soviet forces attacked the Romanian city of Constanța. During this operation, the destroyer leader Moskva was lost to mines while evading fire from coastal batteries. The Black Sea Fleet supplied the besieged garrison in Odessa and evacuated a significant part of the force (86,000 soldiers, 150,000 civilians) at the end of October, but lost the destroyer Frunze and a gunboat to the German dive bombers in the process. The Black Sea Fleet played a valuable part in defeating the initial assault on Sevastopol. In December, there was an amphibious operation against Kerch which resulted in the recapture of the Kerch Peninsula. A naval detachment including the cruiser Krasnyi Krym remained in Sevastopol to give gunfire support. Soviet submarines also raided Axis shipping on the Romanian and Bulgarian coasts, sinking 29,000 long tons (29,000 t) of shipping. During fall of 1941, both sides laid many mine fields in southern Black Sea: Romanian defensive minefields sunk at least 5 Soviet submarines during this period (M-58,[20] S-34,[21] ShCh-211,[22] M-34,[23] M-59[24]), however during such operations the Axis forces lost the Romanian minelayer Regele Carol I,[25] sunk by a mine laid by Soviet submarine L-4: 2 of the 5 Soviet submarines (M-58 and ShCh-211) will be later sunk on that same minelayer's fields, after the sinking of the ship, in addition to another submarine sunk in 1942. In total, up to 15 Soviet submarines were sunk by Romanian defensive minefields until the end of the War.[26] Another Romanian minelayer was lost, the Aurora, when the ship was destroyed by Soviet bombers on 15 July.[27]

Operations in 1942[edit]

Soviet cruiser Krasnyi Krym took part in defending against the Siege of Sevastopol

Operations in 1942 were dominated by the Siege of Sevastopol. During the winter, Soviet warships including the only battleship Parizhskaya Kommuna provided fire support and supply missions near Sevastopol. The Soviets continued supply missions until 27 June, losses were heavy and included the cruiser Chervonnaya Ukraina, destroyer leader Tashkent and six modern destroyers.

The cruiser Voroshilov and destroyers tried to intervene without success in the Battle of the Kerch Peninsula in May and the Soviets could not prevent a landing across the Kerch strait in the Taman Peninsula in September. The remainder of the Black Sea Fleet evacuated to ports in the Caucasus that had very limited facilities. Soviet submarines were active in the western part of the Black Sea where they attacked Axis shipping. Unfortunately this included sinking the refugee ship Struma. On 1 October the Soviet submarine M-118 was sunk with depth charges by the Romanian gunboat Sublocotenent Ghiculescu.[28]

Operations in 1943[edit]

Italian MAS torpedo boat

In 1943, the Black Sea Fleet was reduced to the following ships, which all suffered from poor maintenance due to a lack of facilities:

  • Battleship Sevastopol
  • Four cruisers (two Kirov class - Molotov and Voroshilov -, Krasniy Krim and Krasniy Kavkaz)
  • Destroyer leader Kharkov
  • Five modern and three old destroyers
  • 29 submarines

Operations initially consisted of several offensive operations by the Soviets including the defence of Malaya Zemlya in Novorossiysk and some coastal bombardments and raids. On 7 July, the Romanian destroyer Mărășești sank the Soviet submarine M-31.[29] As the war was going badly for the Axis on other fronts, the Germans began to evacuate the Kuban bridgehead in September. This was successfully accomplished. Kharkov and two destroyers—Sposobny and Besposchadny—were sunk by Stukas while raiding the Crimea. As a result of this loss, Stalin insisted on personally authorizing the use of any large ships. The Kerch-Eltigen Operation followed in November.

Operations in 1944[edit]

Romanian torpedo boat Năluca, sunk by Soviet aircraft on 20 August

By early 1944, the Soviet surface fleet was practically nonoperational due to a poor state of repair. Most of the offensive work was carried out by small vessels and the Soviet Naval air force. The land situation had significantly deteriorated for the Axis. The area around Odessa was liberated in March trapping the Axis forces in the Crimea. The last Axis forces near Sevastopol surrendered on 9 May 1944 and a considerable number of men were evacuated. (See Battle of the Crimea (1944) for details). Soviet submarines continued to attack Axis shipping. Unbeknownst to them, one of the ships attacks was MV Mefküre transporting Jewish refugees from Europe.

On 20 August 1944, the Red Air Force carried on a large air raid against the main Axis base in Black Sea. A number of targets were sunk including the German U-boat U-9,[30] and the old Romanian torpedo boat Naluca.[31] U-18[32] and U-24 [33] were both damaged and were scuttled few days later. The Naval war in Black Sea was now almost over, but U-boats remained operative until they consumed their fuel: with a single strike, Soviet aviation had halved the German submarine force, but the effect could have been greater if such an attack had been carried out earlier.

List of naval actions and operations[edit]

See also[edit]


  1. ^
  2. ^ Spencer C. Tucker, World War II at Sea: An Encyclopedia [2 volumes]: An Encyclopedia, pp. 632–633
  3. ^ Gogin, Ivan. "World War II auxiliary minelayers of Romania". Navypedia. Retrieved 20 August 2017. 
  4. ^ Cornel I. Scafeș, Armata Română 1941-1945, RAI Publishing, 1996, p. 174.
  5. ^ Spencer C. Tucker, World War II at Sea: An Encyclopedia [2 volumes]: An Encyclopedia, p. 633
  6. ^ Cristian Crăciunoiu, Romanian navy torpedo boats, Modelism Publishing, 2003, pp. 154-155
  7. ^ Conway's All the World's Fighting Ships, 1922-1946, Conway Maritime Press, 1980, p. 314
  8. ^ Raymond Stănescu, Cristian Crăciunoiu, Marina română în primul război mondial, p. 271 (in Romanian)
  9. ^ Jipa Rotaru, Ioan Damaschin, Glorie și dramă: Marina Regală Română, 1940-1945, Ion Cristoiu Publishing, 2000, p. 259
  10. ^ Jipa Rotaru, Ioan Damaschin, Glorie și dramă: Marina Regală Română, 1940-1945, Ion Cristoiu Publishing, 2000, p. 259
  11. ^ Navypedia: CĂPITAN NICOLAE LASCAR BOGDAN river torpedo boats (1906-1907)
  12. ^ Timothy C. Dowling, Russia at War, ABC-CLIO Publishing, 2014, p. 129
  13. ^ Andro Vrkljan (2011). Hrvatski Argonauti 20. stoljeća: Povijest Hrvatske pomorske legije na Crnom moru 1941. - 1944. Hrvatski Državni Arhiv. ISBN 978-953-7659-07-3. 
  14. ^ Navypedia: DRUZKI torpedo boats (1908-1909)
  15. ^ Navypedia: NO1 motor torpedo boats (1939, 1939/1941-1945)
  16. ^ Navypedia: NO1 motor torpedo boats (1940/1941, 1943)
  17. ^ Navypedia: BELOMORETS submarine chasers (1917-1918/1921)
  18. ^ Navypedia: MINIOR motor launches (1918/1921)
  19. ^ Navypedia: MFP type landing self-propelled barges (1941-1944/1944)
  20. ^
  21. ^
  22. ^
  23. ^
  24. ^
  25. ^
  26. ^ Definitive list of Black Sea Fleet submarines
  27. ^
  28. ^ World War II Sea War, Volume 7: The Allies Strike Back, p. 179
  29. ^ M. J. Whitley, Destroyers of World War Two, p. 224
  30. ^
  31. ^
  32. ^
  33. ^


  • Ruge, Fredrich - The Soviets as Naval Opponents, 1941-1975 (1979), Naval Press Annapolis ISBN 9780870216763

External links[edit]