The Russian Navy is part of the Russian Armed Forces. It has existed in various forms since 1696. Its present iteration was formed in January 1992 when it succeeded the Navy of the Commonwealth of Independent States.
The Russian Naval Infantry, often referred to as Russian Marines in the West, operate as the naval infantry of the Russian Navy. Established in 1705, they are capable of conducting amphibious operations as well as operating as more traditional light infantry.
Soviet Naval Aviation was the naval aviation arm of the Soviet Navy.
The Black Sea Fleet is the fleet of the Russian Navy in the Black Sea, the Sea of Azov and the Mediterranean Sea. The Black Sea Fleet, along with other Russian ground and air forces on the Crimean Peninsula, are subordinate to the Southern Military District of the Russian Armed Forces. The fleet traces its history to its founding by Prince Potemkin on 13 May 1783 as part of the Imperial Russian Navy. The Russian SFSR inherited the fleet in 1918; with the founding of the Soviet Union in 1922, it became part of the Soviet Navy. Following the collapse of the Soviet Union in 1991, the Black Sea Fleet was partitioned between the Russian Federation and Ukraine in 1997, with Russia receiving title to 82% of the vessels.
The Ukrainian Navy is the maritime forces of Ukraine and one of the eight service branches of the Armed Forces of Ukraine.
The Baltic Fleet is the fleet of the Russian Navy in the Baltic Sea.
The Imperial Russian Navy operated as the navy of the Russian Tsardom and later the Russian Empire from 1696 to 1917. Formally established in 1696, it lasted until dissolved in the wake of the February Revolution of 1917. It developed from a smaller force that had existed prior to Tsar Peter the Great's founding of the modern Russian navy during the Second Azov campaign in 1696. It expanded in the second half of the 18th century and reached its peak strength by the early part of the 19th century, behind only the British and French fleets in terms of size.
The Russian commando frogmen, informally called "commando frogmen" in civilian media, are a Russian Naval Spetsnaz unit under operational subordination to the Main Intelligence Directorate (GRU). It is the special forces unit of the Russian Naval Infantry and is composed of highly trained and elite marines within the Naval Infantry. By virtue of belonging to the Russian Naval Infantry, frogmen fall under the Coastal Troops of the Russian Navy service arm. The Russian Navy proper does not field any special forces or special operations units. Russian FSB special forces Alpha Group and Vympel also have frogman units in their respective naval components.
Vinnytsia (U206) was an anti-submarine corvette of the Ukrainian Navy. Prior to joining the Ukrainian Navy she was a former KGB Border Guard patrol ship named Dnepr. In March 2014, she was seized by Russian soldiers and de facto came under control of the Russian Black Sea Fleet. The ship was returned to the Ukrainian Navy from Crimea on 19 April 2014.
The Pacific Fleet is the Russian Navy fleet in the Pacific Ocean. Established in 1731 as part of the Imperial Russian Navy, the fleet was known as the Okhotsk Military Flotilla (1731–1856) and Siberian Military Flotilla (1856–1918), formed to defend Russian interests in the Russian Far East region along the Pacific coast. In 1918 the fleet was inherited by the Russian Soviet Federative Socialist Republic, then the Soviet Union in 1922 as part of the Soviet Navy, being reformed several times before being disbanded in 1926. In 1932 it was re-established as the Pacific Fleet, and was known as the Red Banner Pacific Fleet after World War II as it had earned the Order of the Red Banner. In the Soviet years, the fleet was also responsible for the Soviet Navy's operations in the Indian Ocean and Arabian Sea. Following the collapse of the Soviet Union in 1991, the Red Banner Pacific Fleet was inherited by the Russian Federation as part of the Russian Navy and its current name was adopted.
The Polish Navy is the naval branch of the Polish Armed Forces. The Polish Navy consists of 46 ships and about 12,000 commissioned and enlisted personnel. The traditional ship prefix in the Polish Navy is ORP.
The Dnieper Flotilla is the name given to the various naval flotillas on the Dnieper River. These were particularly active in four conflicts: the Russo-Turkish wars of 1735–39 and 1787–92, the Russian Civil War, and World War II.
The Russian Hydrographic Service, full current official name Department of Navigation and Oceanography of the Ministry of Defence of the Russian Federation, is Russia's hydrographic office, with responsibility to facilitate navigation, performing hydrographic surveys and publishing nautical charts.
The Kerch Strait incident was an international incident that occurred on 25 November 2018 in the Kerch Strait, during which the Russian Federal Security Service (FSB) coast guard fired upon and captured three Ukrainian Navy vessels after they attempted to transit from the Black Sea into the Sea of Azov through the strait on their way to the port of Mariupol. It was the first time that Russian forces had openly engaged Ukrainian forces during the Russo-Ukrainian War.
Skadovsk (P170) is a Project 1400M Grif-M small patrol gunboat of the Ukrainian Navy. Built in 1990, she has been in Ukrainian Navy service since 1992.
73rd Naval Special Operations Center "Chieftain Antin Holovaty" or the Special Operations Center South is the naval component of the Ukrainian Special Operations Forces. It joined the Ukrainian Navy on 1992 and became a part of Special Operations Forces in 2016, becoming the sole naval component of SOF. It is headquartered at Ochakiv.
1st Naval Guard and Patrol Division formerly known as 1st Security and Support Division is a division of the Ukrainian Navy, established in 1997 it is concerned with the defense of Ukrainian coast and guarding of the installations of the Ukrainian Navy. It is garrisoned at the Western Naval Base and currently comprises several gunboats, a control ship and an anti-sabotage ship.
28th Surface Ships Division formerly called as the 5th Naval Surface Ship Brigade is a division of the Ukrainian Navy based at Ochakiv. It was established in 1996 at the Southern Naval Base in Balaklava but was transferred following the Russian Invasion of Crimea.
Soviet Union Hydrographic Service 
Ukraine
