Tanelorn
Deity
The Tench class was a 29 ship WWII development of the Balao class, modified to carry more fuel and achive extended range.
Post war 1went to Pakistan, 1 to Canada (HMCS Rainbow -1968 to 1974, to replace a single WW2 Balao, Grilse -1961 to 68), 2 to Brazil, 1 to Venezuela, 1 to Peru, and 1 to Taiwan (refer to the previous Balao Guppy II drawing). The Pakistani PNS Ghazi (ex USS Diablo) sunk or was sunk during the 1971 war with India. The Taiwanese Hai Shin is one of only two WW2 subs still in service.
Nine of those previously upgraded to the Guppy II standard post war (incorporating Nazi U-boat technology among other improvements) had their hulls lengthened and the bridges enlarged to carry more electronics (Guppy III standard). Two Guppy IIIs went to the Italian, Brazilian and Turkish* navies each in the 70s. One (Katsonis, ex-USS Remora, pictured) went to the Greek navy in 73 and served up to 93.
Older Balaos upgraded to the Guppy III stanard looked essentialy the same. Turkey got two of those in 1974 and decomissioned them in 96 (Inonu, now a museum) and 99 (Canakkale)
Six new subs were built in 1950 with the Guppy III technologies as the Tang class. Two went to Italy in the early 70s, decomissioned by the mid 80s. Two went to Turkey in 83 and 87 and were turned into museums after 2004. One was earmarked for transfer to Iran in 78 but fall of the Shah put an end to that.
*(1971, Ulucalireis, museum after 2000 - Cerbe 1972, scrapped 1999)
Actually, lets include the original Balao Guppy II here too.
Argentina Santa Fe 1971-1982 (captured, scuttled)
Brazil 3 boats: Guanabara 72-83 Ceará 73-87 Rio de Janeiro 72-81
Venezuela 2 boats 73-90
Taiwan Hai Pao 73- still in service
Guppy IA: the same, cheaper batteries:
Argentina Santiago del Estero, 71-83 no Falklands duty
Peru 2 boats 1974, one sunk in 88 the other off active duty 1995
Turkey one, Dumlupinar 1972-1976 collided with a Soviet ship and used as a dockside battery charger till 86 and (the first Dumlupinar, a Balao, served 1950 to 53 when it collided with a Swedish freighter and sunk with its crew. Another Balao, Sakarya, served with Turkey from 48 to 74)
Fleet Snorkel type: Externally the same as the Guppy, kept the original Balao batteries and machinery
Turkey Preveze 54 to 72, Turgutreis 58 to 83, then as battery charger to 96, Pirireis 60 to 73 (a Tang class replacement used the same name and number) Hizirreis 60 to 77 Gur 53 to 75
Italy Francesco Morosini 1966-75, E.Torricelli1960-76
Spain Almirante García de los Reyes 1959-1974
Greece Triaina 65 to 80, trainer up to 82
Guppy IIa: Same as Guppy II with improved living conditions
Greece Papanikolis 1972 to 1993
Turkey (second) Preveze 73 to 87, Ocureis 73 to 87, Muratreis 71 to 2001 (now a museum in Arkansas) Burakreis 1971 to 1996 1st Inonu 1972 to 1998
Spain four subs each serving between 74-84, 72-77, 72-83, 71-84 "called something in Spanish"
Guppy IB was a limited IA upgrade for export to Italy (two subs, 54 to 72 and 55 to 73) and the Netherlands (two subs, both 53 to 70). The Italian subs were earlier Gato upgrades, actually.
Wikipedia does a messy job of adding up successive upgrades as if they were different boats and mixes up foreign sub names between classes. It gave me a headache.
For the WWII originals, check page 17
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