The Armed Forces of Paraguay officially the Armed Forces of the Nation consist of the Paraguayan army, Paraguayan navy and air force.
The Bolivarian Navy of Venezuela, commonly known as the Venezuelan Navy, is the naval branch of the National Bolivarian Armed Forces of Venezuela.
The Argentine Naval Prefecture is a service of Argentina's Security Ministry charged with protecting the country's rivers and maritime territory. It therefore fulfills the functions of other countries' coast guards, and furthermore acts as a gendarmerie force policing navigable rivers.
The Espora-class corvettes are six warships of the Argentine Navy built in Argentina to the German MEKO 140A16 design, this in turn being based on the Portuguese João Coutinho-class project. The first entered service in 1985 but accidents and lack of funds meant the last was not completed until 2004. The ships currently form the 2nd Corvette Division of the Argentine Navy and their home port is the Puerto Belgrano Naval Base. Although considered by its designers to be frigates, the Espora-class vessels have been classed in Argentina as corvettes.
RV Atlantis was a ketch rigged research vessel operated by the Woods Hole Oceanographic Institution from 1931 to 1966. The Government of Argentina's National Scientific and Technical Research Council acquired her in 1966 and renamed her El Austral, transferring her to the Argentine Naval Prefecture in 1996 as the training and survey ship PNA Dr. Bernardo Houssay (MOV-1). In 2005 it was decided that a replacement vessel with modern capabilities and equipment was required, and a new ship was built in Argentina with a hull and rig along similar lines. Ceremonially incorporating some small parts of the original, she was completed in 2009 and put into full service in 2011, again as Dr. Bernardo Houssay.
HMS Tiger Bay was a Z-28-class patrol boat operated by the British Royal Navy, previously the Argentine Coast Guard vessel PNA Islas Malvinas (GC-82), which was seized at Port Stanley by the crew of HMS Cardiff on 14 June 1982 following the Argentine surrender during the Falklands War.
The sinking of Chian-der 3 was an incident that occurred on 28 May 1986, when the Taiwanese-flagged trawler Chian-der 3 was detected, tracked, fired upon, set on fire and eventually sunk by the Mantilla-class patrol vessel PNA Prefecto Derbes of the Prefectura Naval Argentina, at a location 24 nautical miles outside the United Kingdom's Total Exclusion Zone, which covers a circle of 200 nautical miles from the centre of the Falklands Islands. Two Taiwanese fishermen were killed; four others were injured.
The National Navy of Uruguay is a branch of the Armed Forces of Uruguay under the direction of the Ministry of National Defense and the commander in chief of the Navy.
Uribe-class patrol vessels are offshore patrol vessels in use by the Mexican Navy.
The Ecuadorian Navy is an Ecuadorian entity responsible for the surveillance and protection of national maritime territory and has a personnel of 9,400 men to protect a coastline of 2,237 km which reaches far into the Pacific Ocean. The vessels are identified by a ship prefix of B.A.E.: Buque de la Armada del Ecuador or L.A.E.: Lancha de la Armada del Ecuador.
The Paraguayan Navy is the maritime force of the Armed Forces of Paraguay, in charge of the defense of Paraguay's waters despite not having direct access to the sea.
ARA Zurubí (P-55) is a patrol boat of the Argentine Navy, built in the Río Santiago Shipyard in 1938 and based in Ushuaia. The vessel is named after the Surubí, a catfish that inhabits Argentina’s Mesopotamia, and is the first Argentine naval ship with this name.
Lu Yan Yuan Yu 010 was a fishing trawler registered in China. The vessel had a length of 66 m (217 ft). It was sunk on 15 March 2016 off the coast of Argentina by the Argentine Coast Guard during a territorial fishing dispute. There were no fatalities.
PNA Azopardo (GC-25) is a Mantilla-class patrol boat of the Argentine Naval Prefecture, built at the Empresa Nacional Bazán shipyards and commissioned in 1983. The vessel is named after Juan Bautista Azopardo, a Maltese privateer and officer of the Argentine Navy during the Independence and Cisplatine wars, and Harbourmaster of Buenos Aires; she is the second PNA ship with this name.
PNA Thompson (GC-26) is a Mantilla-class patrol boat of the Argentine Naval Prefecture, built at the Empresa Nacional Bazán shipyards and commissioned in 1983. The vessel is named after Martín Jacobo Thompson, an Argentine naval officer during the Independence War, and first Harbourmaster of Buenos Aires; she is the first PNA ship with this name.
PNA Doctor Manuel Mantilla (GC-24) is the lead ship of the Mantilla-class of patrol boats in service with the Argentine Naval Prefecture, built at the Empresa Nacional Bazán shipyards and commissioned in 1983. The vessel is named after Manuel Florencio Mantilla, an Argentine politician who promoted the first law creating the PNA; she is the first ship of this service with this name.
PNA Prefecto Fique (GC-27) is a Mantilla-class patrol boat in service with the Argentine Naval Prefecture, built at the Empresa Nacional Bazán shipyards and commissioned in 1983. The vessel is named after Luis Pedro Fique, a former commander of the “Prefectura de Ushuaia” of the PNA; she is the first ship of this service with this name.
PNA Prefecto Derbes (GC-28) is a Mantilla-class patrol boat in service with the Argentine Naval Prefecture, built at the Empresa Nacional Bazán shipyards and commissioned in 1984. The vessel is named after Pedro Derbes, a former commander of the “Prefectura de Puerto Madryn” of the PNA; she is the first ship of this service with this name.
Prefectura Naval Argentina 
