USNS Audacious (T-AGOS-11)
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NRP ''Dom Carlos I'' (A522) is the lead ship of the
Portuguese Navy The Portuguese Navy (), also known as the Portuguese War Navy (''Marinha de Guerra Portuguesa'') or as the Portuguese Armada (''Armada Portuguesa''), is the navy of the Portuguese Armed Forces. Chartered in 1317 by King Dinis of Portugal, it is ...
's ''Dom Carlos I''-class survey vessels (ex-US s) adapted in
Portugal Portugal, officially the Portuguese Republic, is a country on the Iberian Peninsula in Southwestern Europe. Featuring Cabo da Roca, the westernmost point in continental Europe, Portugal borders Spain to its north and east, with which it share ...
for the execution of
hydrography Hydrography is the branch of applied sciences which deals with the measurement and description of the physical features of oceans, seas, coastal areas, lakes and rivers, as well as with the prediction of their change over time, for the primary ...
and
oceanography Oceanography (), also known as oceanology, sea science, ocean science, and marine science, is the scientific study of the ocean, including its physics, chemistry, biology, and geology. It is an Earth science, which covers a wide range of to ...
surveys. Before the transference to the Portuguese Navy, ''Dom Carlos I'' was USNS ''Audacious'' (T-AGOS-11) surveillance ship of the
United States Navy The United States Navy (USN) is the naval warfare, maritime military branch, service branch of the United States Department of Defense. It is the world's most powerful navy with the largest Displacement (ship), displacement, at 4.5 millio ...
.


History

USNS ''Audacious'' was a ''Stalwart''-class modified tactical auxiliary general
ocean surveillance ship A spy ship or reconnaissance vessel is a dedicated ship intended to gather intelligence, usually by means of sophisticated electronic eavesdropping. In a wider sense, any ship intended to gather information could be considered a spy ship. Sp ...
of the United States Navy. ''Stalwart''-class ships were originally designed to collect underwater acoustical data in support of
Cold War The Cold War was a period of global Geopolitics, geopolitical rivalry between the United States (US) and the Soviet Union (USSR) and their respective allies, the capitalist Western Bloc and communist Eastern Bloc, which lasted from 1947 unt ...
anti-submarine warfare Anti-submarine warfare (ASW, or in the older form A/S) is a branch of underwater warfare that uses surface warships, aircraft, submarines, or other platforms, to find, track, and deter, damage, or destroy enemy submarines. Such operations ar ...
operations in the 1980s. ex-USNS ''Audacious'' was transferred to the Portuguese Navy in 1996 and renamed ''Dom Carlos I'' in honor to Carlos I,
King of Portugal This is a list of Portuguese monarchs who ruled from the establishment of the Kingdom of Portugal, in 1139, to the deposition of the Portuguese monarchy and creation of the Portugal, Portuguese Republic with the 5 October 1910 revolution. Thro ...
and a pioneer scientist in the
oceanography Oceanography (), also known as oceanology, sea science, ocean science, and marine science, is the scientific study of the ocean, including its physics, chemistry, biology, and geology. It is an Earth science, which covers a wide range of to ...
field.World Navies Today: Portugal
/ref> The refitting of ''Audacious'' for transfer to Portugal was completed at Detyens Shipyard on the site of the former Charleston Naval Base in North Charleston, South Carolina. In Portugal, ''Almirante Gago Coutinho'' underwent adaptation works towards its transformation into a hydro-oceanographic ship, in the Alfeite Naval Arsenal. The first phase of the transformation was carried out in 2001 and the second phase in 2004. The Portuguese Navy has tried to fix it for almost a year but that work is very difficult because of lack of money and resources and tight budget. In its full capacity for the assignments it was tasked for; this vessel stands over 6 months in service without refueling. The only reason it needs harbouring is to get the food needed for its 32 sailors on board. Recently it was installed a new sonar dome. With this new improvement it is expected to sonar the 5,000 meter depth or more.


References


External links

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NavSource
Stalwart-class ocean surveillance ships Cold War auxiliary ships of the United States Ships built by Tacoma Boatbuilding Company 1989 ships Ships transferred from the United States Navy to the Portuguese Navy {{US-mil-ship-stub