A coast guard or coastguard is a maritime security organization of a particular country. The term embraces wide range of responsibilities in different countries, from being a heavily armed military force with customs and security duties to being a volunteer organization tasked with search and rescue without law enforcement authority. In most countries, a typical coast guard's functions are distinct from those of the navy and the transit police, while in certain countries has similarities to both.
A patrol boat is a relatively small naval vessel generally designed for coastal defence, border protection, immigration law-enforcement, search and rescue duties. There have been many designs for patrol boats. They may be operated by a nation's navy, coast guard, police force or customs and may be intended for marine or estuarine or river environments. They are commonly found engaged in various border protection roles, including anti-smuggling, anti-piracy, fisheries patrols, and immigration law enforcement. They are also often called upon to participate in rescue operations.
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, and other Russian ground and air forces in occupied Crimea, are subordinate to the Southern Military District of the Russian Armed Forces.
The Baltic Fleet is the fleet of the Russian Navy in the Baltic Sea.
The Neustrashimy class, Soviet designation Project 11540 Yastreb (hawk), is a series of large frigates built for the Soviet Navy and currently in service with the Russian Navy. Seven ships were planned for the Soviet Navy, but the fall of the Soviet Union disrupted those plans. Two ships were completed, both currently in active service with the Russian Baltic Fleet.
The Bora-class, Soviet designation Project 1239, hoverborne guided-missile corvette of the Russian Navy, also bears the NATO class name "Dergach", is one of the few types of military surface effect ship built solely for marine combat purposes, rather than troop landing or transport. The first vessel produced under this designation was Sivuch, which was later renamed Bora. It is one of the largest combat sea vehicles with catamaran design.
The Georgian Coast Guard is the maritime arm of the Georgian Border Police, within the Ministry for Internal Affairs. It is responsible for the maritime protection of the entire 310 km (190 mi) coastline of Georgia, as well as the Georgian territorial waters. The primary missions of the service are administration of the territorial waters, marine pollution protection, maritime law enforcement, search and rescue, port security and maritime defense. The former Georgian Navy was absorbed into the Coast Guard in 2009.
Patrol Forces Southwest Asia (PATFORSWA) is a United States Coast Guard command based in Manama, Bahrain. PATFORSWA was created in November 2002 as a contingency operation to support the U.S. Navy with patrol boats. The command's mission is to train, equip, deploy and support combat-ready Coast Guard forces conducting operations in support of Operation Iraqi Freedom (OIF), Operation Enduring Freedom (OEF) and Operation Inherent Resolve (OIR) in the Naval Forces Central Command's area of responsibility. It was commissioned as a permanent duty station in June 2004. In July 2003 PATFORSWA moved from its own compound to facilities at Naval Support Activity Bahrain.
The Coast Guard of the Border Service of the FSB, previously known as the Maritime Units of the KGB Border Troops, is the coast guard of Russia.
The Sobol-class patrol boat, also known as Project 12200, is a Russian Coast Guard vessel. The patrol craft is designed to operate in coastal areas, ports, and other littoral areas, to perform missions like protection of territorial maritime borders, law enforcement, other defense missions, search and rescue, and protection of fisheries.
The Mirage-class patrol vessel, also known as Project 14310, is a Russian Coast Guard vessel. The patrol craft is designed to operate in coastal areas, ports, and other littoral areas, to perform missions like protection of territorial maritime borders, law enforcement, counter-terrorism, detection and intercept smugglers or other threats, search and rescue, and protection of fisheries.
The Vosh-class river patrol craft, also known in Soviet designation as Project 1248 Moskit, which has the Project 12481 variant. Both are Russian Coast Guard vessels. The patrol craft is designed to operate in rivers and protect/secure Russian maritime borders, enforce navigational rules and other laws, search and rescue. They work alongside other patrol craft of the Russian Coast Guard and Navy, such as the Piyavka-class and the Ogonek-class river patrol craft.
The Piyavka-class river patrol boat, also known as Project 1249, is a Russian Coast Guard vessel. The patrol craft is designed to operate in rivers to secure and protect Russian maritime borders, enforce navigational laws and other law enforcement duties, and search and rescue. The patrol craft work alongside other Russian Coast Guard and Navy vessels, such as the Moskit-class and the Ogoniok-class river patrol craft. Its hull is not capable of breaking through heavy ice during the winter season.
The Sorum-class seagoing tugboat, also known as Project 745P in Russian Coast Guard service, is a seagoing tug that is currently in service in the Russian Coast Guard and was in other services at one point. These vessels will perform the standard missions of a seagoing tug boat with other missions such as protecting and patrolling Russian maritime borders, enforcing navigational rules and law enforcement, search and rescue, and fisheries protection.
The Ogonek-class river patrol craft, also known as Project 12130 Ogoniok river gunboat, is a Russian Coast Guard vessel. The patrol craft is designed to operate in rivers and perform various missions of the Russian Coast Guard like protecting Russian maritime borders, law enforcement, enforcement of navigation rules, search and rescue, and fisheries protection. These vessels work alongside other classes of Russian Coast Guard vessels, such as the Vosh-class and the Piyavka-class river patrol crafts.
The Sokzhoy-class fast patrol boat, also known as Project 14230, is a Russian Coast Guard vessel. The patrol craft is designed to operate on the coast, rivers, lakes, ports and other littoral areas. It will perform standard Russian Coast Guard missions such as protection of Russian maritime borders, law enforcement, enforcement of navigational rules, search and rescue, and fisheries protection. Both boats, PSKR-500 and PSKR-501, are currently part of the Black Sea Fleet.
The Yaz-class small artillery craft, also known as Project 1208, is a Russian Coast Guard patrol craft. This gunboat is designed to operate in rivers to secure and protect Russian maritime borders, enforce navigational laws and other law enforcement duties, and search and rescue. The gunboats work alongside other Russian Coast Guard and Navy vessels, such as the Vosh-class and the Ogonek-class river patrol crafts. The single active vessel is assigned to the Amur-Ussuri River network.
The Mustang 2-class patrol boat, also known as Project 18623, is a Russian Coast Guard vessel. The patrol craft were originally designed to be operated by the Ministry of Fisheries, but those duties were transferred to the Coast Guard in 1998. The boats were designed for general border protection and fisheries duties.
The Raptor-class patrol boat, formally identified as Project 03160, is a series of Russian high-speed coastal patrol boats. Boats of the class belong to the 4th rank ships in the Russian Navy. This project was developed by the design bureau of JSC Leningrad Shipyard Pella on the instructions of the Russian Navy. The boats are built at the Pella shipyard in the town of Otradnoye, Leningrad Region. Due to the great similarity in appearance, the boats of the project can be confused with the Swedish CB90-class fast assault craft and other transport and landing boats of the 02510 BK-16 project, developed by the Kalashnikov concern and manufactured at Rybinsk shipyard.
Russian Coast Guard 
Russian Navy