In 1971 again under system Lend Lease, the U.S. Navy gave to Argentina two (2) class submarines "GUPPY" to replace two (2) submersible class "Fleet Balao" granted in 1960. The
"GUPPY" were basically class submersible "Fleet Balao" modernized after the war US from assessment in the German submarines of the 2nd World War, more precisely to the Class XXI. GUPPY name consists of the initials of modernization program "Greater Underwater Propulsion" , which was added to the Y to phonetically constituted the name of a fish.
Profile GUPPY class submarines (Author: Adrian Duenas Source: http://www.histarmar.com.ar/ ) From
128 units of submersible "Fleet Balao" 49 were converted to standard GUPPY four subclasses / stages: GUPPY II (1948-1950), GUPPY IA (1951), GUPPY IIA (1952-1954) and GUPPY III (1960 -1962), in an effort to improve the performance of conventional submarines in service with the U.S. Navy, while awaiting the development of nuclear propulsion.
Units received by the Navy Argentina were like the Balao former Us Navy units who served in the Pacific Fleet at the end of the war. It was the USS Catfish (SS-339) upgraded to GUPPY IA standard and renamed as ARA Santa Fe (S-21) , and USS Chivo (SS-341) become the standard GUPPY II and renamed ARA Santiago del Estero (S-22) .
************************************************ TECHNICAL DATA **********************************
(*) original Class .
(**) Conversion GUPPY (Great Underwater Propulsion Power + and phonics)
least (***) An engine noise masking system Praire Maskers.
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Improvements in and GUPPY IA II were mainly snorkel installation (so you went from being underwater submersible), improved hydrodynamic lines, sailing reinforced plastic, batteries improved BQE2 sonar dome in the stern, new electrical equipment and fire control, faster dive, and more autonomy. In addition GUPPY II was replaced with a diesel engine of a motor to generate bubble curtain ( Prairie Masker system called ) through a pipeline that ran through her perimeter of the submarine, and whose purpose was to mask the noise of the engines produced snorkel.
The ARA Santiago del Estero (S-22) was irradiated service in December 1981 and purchased by Military Industries was finally scrapped in 1983.
Photo 1. beautiful color image ARA Santiago del Estero (S-22) browsing area (Source: http://www.nuestromar.org/ )
Photo 2. The ARA Santiago del Estero (S-22) moored at Naval Base Mar del Plata (Source: www.histarmar.com.ar )
Al ARA Santa Fe (S- 21) , tomorrow brings another kind, because despite having been scheduled for retirement from active service in August 1982, the Falklands War would engage them again in war patrols and precipitated the end of career Armada Argentina. After taking out two vital missions: transportation of tactical divers and amphibious command that marked the beaches for the landing on the Falkland Islands on April 2, 1982, and the transport of Infants and Marina to reinforce the garrison Argentina prominently in South Georgia , was attacked on departure from the latter by at least 5 helicopters English and unable to dive due to injuries received due to return to the port of Grytviken . A few hours later the crew and Marines garrison surrendered to the English to the overwhelming superiority of the enemy. Three years later, in 1985 , was refloated by the British and being towed to the UK to become a war trophy , sank in open water because of a severe storm that could not support their old damaged hull.
Photo 3. Very good aerial shot of ARA Santa Fe (S-21) which shows the clean lines meant conversion to GUPPY , which kept him away from the original look of the Balao class (Source: www . nuestromar.org )
Photo 4. striking image of ARA Santa Fe (S-21) emerging at full speed (Source www.histarmar.com.ar )
To see video of the performance of ARA Santa Fe in the Falklands War beam here. Sources
http://es.wikipedia.org/wiki/ARA_Santa_Fe_ (S-21)
http://es.wikipedia.org/wiki/GUPPY
http://www.usschivo.org/ ( page of the crew of USS GOAT)
http://www.histarmar.com.ar
http://www.nuestromar.org
Museum Submarine Force (MDQ)
War Machines - Encyclopedia of Weapons of twentieth century - Planeta Agostini - 1984
Other
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