The People's Liberation Army Navy is the maritime service branch of the People's Liberation Army, and the largest navy per number of ships in the world.
The United States Coast Guard (USCG) is the maritime security, search and rescue, and law enforcement service branch of the United States Armed Forces and one of the country's eight uniformed services. The service is a maritime, military, multi-mission service unique among the United States military branches for having a maritime law enforcement mission with jurisdiction in both domestic and international waters and a federal regulatory agency mission as part of its duties. It is the largest coast guard in the world, rivaling the capabilities and size of most navies.
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 they have similarities to both.
The People's Armed Police Force is a Chinese paramilitary organization primarily responsible for internal security, riot control, counter-terrorism, disaster response, law enforcement and maritime rights protection as well as providing support to the People's Liberation Army (PLA) during wartime.
A patrol boat is a relatively small naval vessel generally designed for coastal defence, border security, or law enforcement. There are many designs for patrol boats, and they generally range in size. They may be operated by a nation's navy, coast guard, police, or customs, and may be intended for marine, estuarine, or river environments.
The Canadian Coast Guard is the coast guard of Canada. Formed in 1962, the coast guard is tasked with marine search and rescue (SAR), communication, navigation, and transportation issues in Canadian waters, such as navigation aids and icebreaking, marine pollution response, and support for other Canadian government initiatives. The Coast Guard operates 119 vessels of varying sizes and 23 helicopters, along with a variety of smaller craft. The CCG is headquartered in Ottawa, Ontario, and is a special operating agency within Fisheries and Oceans Canada.
The Coast Guard Administration of the Ocean Affairs Council (CGA) is charged with maintaining law and order, protecting the resources of the territorial waters of the Republic of China (Taiwan), which surrounds Taiwan, Penghu, Kinmen, Matsu Islands, Green Island, Orchid Island, Pratas Island (Tungsha/Dongsha), and Nansha Islands as well as providing a first line of defense along coastal areas against smugglers and illegal immigrants. The CGA is considered a civilian law enforcement agency under the administration of the Ocean Affairs Council of the Executive Yuan, though during emergencies it may be incorporated as part of the Republic of China Armed Forces.
The Philippine Coast Guard (PCG) is recognized as the third armed uniformed service of the country attached to the Philippines' Department of Transportation, tasked primarily with enforcing laws within Philippine waters, conducting maritime security operations, safeguarding life and property at sea, and protecting marine environment and resources; similar to coast guard units around the world. In case of a declaration of war, the Coast Guard shall also serve as an attached service of the Department of National Defense.
A border guard of a country is a national security agency that performs border security. Some of the national border guard agencies also perform coast guard and rescue service duties.
The Malaysian Maritime Enforcement Agency ; formally known as Malaysia Coast Guard for international identification, is the coast guard organisation of Malaysia, and principal government agency tasked with maintaining law and order, and coordinating search and rescue operations in the Malaysian Maritime Zone and on the high seas.
The United States Coast Guard is the coastal defense, search and rescue, and maritime law enforcement branch of the United States Armed Forces and is one of the country's eight uniformed services. It carries out three basic roles, which are further subdivided into eleven statutory missions. The three roles are:
Vietnam Coast Guard is the coast guard and officially a uniformed people's armed force of Vietnam. It is purposed to perform search and rescue duties, along with their duties of combating and preventing smuggling, piracy, and trade fraud in Vietnamese waters.
SLNS Samudura (P621) is a Sri Lanka Navy Offshore Patrol Vessel. Originally commissioned by the United States Coast Guard in 1968 as the medium endurance cutter USCGC Courageous, she was donated to Sri Lanka in 2004 and commissioned on 19 February 2005.
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.
The Ukrainian patrol vessel Sloviansk (P190) was an Island-class patrol boat of the Naval Forces of the Armed Forces of Ukraine. Originally named USCGC Cushing when in service with the United States Coast Guard, the vessel was acquired by Ukraine in 2018 and arrived in Ukraine on 21 October 2019. Sloviansk was sunk in combat on 3 March 2022 by a Russian air-to-surface missile.
The Haitian Coast Guard, officially the Haitian Coast Guard Commission or G-Cd'H, is an operational unit of the Haitian National Police. It is one of the few law enforcement organisations in the world to combine water policing and coast guard duties while remaining as a policing unit. It operates primarily as a law enforcement agency, with secondary responsibilities in search and rescue.
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), 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 Militia or Militia of China is the militia part of the armed forces of China, other two parts being the People's Liberation Army (PLA) and the People's Armed Police (PAP). The Militia is under the leadership of the Chinese Communist Party (CCP) and serves as an auxiliary and reserve force for the PLA. It is one of the largest militias in the world.
The China Coast Guard operates a variety of vessels for its duties.
The Zhaotou class is a NATO reporting name of the ship class of patrol vessels of the China Coast Guard. It is the largest armed coast guard cutter in the world, surpassing the previous record holder, the Japanese Shikishima class.
Chinaportal 
