file created: 12/07/02 01:06:40 , last update: 05/19/00
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SS-238 Wahoo
United States Navy submarine
Class Laid down, Shipyard LaunchedCommissioned Disabled and Why
Gato 1941/06/28
Mare Island Naval Shipyard, Vallejo, Cal. 		1942/02/14 1942/05/15 1943/10/11
sunk
Namesake: A dark blue food fish of Florida and the West Indies.
TTD differences from class:42/11: 1x102,2x20,43/07: 1x102, 3x20/Mk 5, SJ radar, Ms 9
Camouflage:


WW II combat actions:
From Till Operation Force Action Source
42/08/10 42/08/12     MINY - post shakedown overhaul  
42/08/18 42/08/23     P.H.   82 
42/08/23 42/10/17   Subron10/SubDiv102? patro01: off Truk   81 
42/09/01       patro01: N of Ponape   81 
42/09/06       patro01: attacking freighter 15 miles off Truk   81  66 
42/09/14       patro01: No.1 tube disabled for the reminder of patrol   81 
42/09/20       patro01: sinking?? freighter (6500 JANAC denied) (07-43N, 150-36E)   81 
42/09/30       patro01: sighted Cijoda (07-58N, 151-02E)   81 
42/10/05       patro01: reports sighted Rjudzo (bad recognition < sunk 42/08/24)+2 DD   81 
42/10/10       patro01: sinking collier Kamoi Maru off Bougainville   85 
42/10/17 42/11/08     P.H. - refit   81 
42/10/18 42/10/22     P.H. - refit by AS Sperry   81 
42/10/22 42/11/02     P.H. - overhaul in Sub Base - 1x102 mm + 2x20mm added   81  66 
42/11/08 42/12/26   42 patro02: Bougainville, Truk   81  82 
42/11/16       patro02: 120 miles of Mili, Jaluit   81 
42/11/20 42/12/26     patro02: patrol in Buka-Kilianailau area   81 
42/11/22       patro02: 75 miles NE of Bougainville   81 
42/11/30       patro02: hunting large cargo (04-55S, 154-49E) heading for Rabaul   81 
42/12/07       patro02: start patrol in Truk <> Shortlad lanes   81 
42/12/08       patro02: hunting AO (05-20S, 156-15E) heading for Shortland   81 
42/12/10       patro02: sinking Kamoi M./5355 off Shortland from convoy (3 AK,1DD) off Buin (04-56S, 154-58E)   81  83  85
42/12/10       patro02: attacking another AK, depth charged (04-56S, 154-58E)   81 
42/12/14       patro02: sighted hospital ship off Shortland (06-22N, 156-13E)   81 
42/12/14       patro02: report sinking surfaced I-2   81  66 
42/12/20       patro02: departed area for Brisbane   81 
42/12/26 43/01/16     Brisbane - refit (AS Sperry)   81 
43/01/16 43/01/17     patro03: training with Patterson   81 
43/01/16 43/02/07     patro03: Wewak area   81 
43/01/23       patro03: reconn Wewak   81 
43/01/24       patro03: disabling Harusame 11 nm W of Wewak (03-23S, 143-34E) > sail to Palau   81  85 
43/01/26       patro03: attacking convoy SE of Palau: disabling CX Ukishima Maru (02-37N, 139-42E)   82  85 
43/01/26       patro03: off Palau (01-55N, 139-14E) sinking freighter (4000 - JANAC)   82  83 
43/01/26       patro03: sinking transport Buyo Maru (5447 BRT) (01-55N, 139-14E)   82  83 
43/01/26       patro03: sinking freighter Fukuei Maru Nr.2 (1901) (01-55N, 139-14E)   82  83 
43/01/26       patro03: disabling AO Pacific Maru (5872 BRT)   82 
43/01/28       patro03: off Faisi Is, Palau - no torpedoes > sail to P.H.  
43/02/07 43/02/15     P.H. - refit - 4'' gun moved forward, 3rd 20 mm added   81  82 
43/02/17 43/02/19     training   81 
43/02/21 43/02/22     P.H. drydock - No.5 torpedo tube emerg. repairs   81 
43/02/23 43/04/06     patro04: extreme N part of Yellow Sea - Yalu Sea, Dairen   66 
43/02/27       patro04: Midway - refuel (AS Tarpon)   81 
43/03/11       patro04: arrived patrol area - Nagasaki < > Formosa lanes   81 
43/03/13       patro03: attacking ship (32-57ŽN,126-11ŽE)   81 
43/03/19       patro04: sinking Zogen Maru (1428 - JANAC) E of DAiren, Manchukuo (38-29N, 122-19E)   82  83 
43/03/19       patro04: damaging Kowa Maru (3217) (38-27N, 121-18E)   81  82 
43/03/21       patro04: sinking AK Hozan M. (2260 - JANAC) in Yellow Sea off Korea (38-05N, 124-33E)   82  83  85
43/03/21       patro04: sinking AK Nittsu M. (2183 - JANAC) in Yellow Sea off Korea (38-05N, 124-33E)   82  83  85
43/03/23       patro04: sinking Takaosan Maru (2400 - JANAC) (38-27N,121-01E)   82  83 
43/03/24       patro04: sinking/prob AO (7500 - JANAC denied) (38-01N,122-25E)   82 
43/03/25       patro04: sinking(guns) Takaosan M. (2076 - JANAC) (38-13N, 123-24E)   82  83 
43/03/25       patro04: sinking(guns) Sacuki M. (830 - JANAC) (38-10N, 123-26E)   81  82  83
43/03/27       patro04: sinking (gun) patrol boat (33-39N, 125-23E)   82 
43/03/28       patro04: sinking (gun) 2 sampans (31-39N, 127-41E)   82 
43/03/29       patro04: sinking AK Jamabato Maru (2556-JANAC) S of Kjushu (30-26N, 129-41E)   82  83  85
43/03/29       patro04: no torpedoes>sail to base   82 
43/04/06 43/04/25     Midway - refit, training   82 
43/04/25 43/05/21     patro05: Kuriles  
43/05/02       patro05: photoreconn. Macuwa Is, Kuriles   82 
43/05/04     45-20ŽN, 149-08ŽE patro05: damaging Kamikawa Maru - escaped (Wahoo must recharge)   82 
43/05/07       patro05: sinking Tamon Maru Nr.5 (5260 - JANAC) off BEnten Zaki, Honshu (40-05N, 141-53E)   82  83  85
43/05/08       patro05: attacking 3 ships convoy > depth charged (39-02N, 142-02E)   82 
43/05/09       patro05: sinking AK Takao M. (3204 - JANAC) off Kone Zaki, Honshu (38-57N, 141-49E)   82  83  85
43/05/09       patro05: sinking Jimmu M.(1912 - JANAC) off Kone Zaki, Honshu (38-57N, 141-49E)   82  83  85
43/05/12       patro05: damaging freighter (38-40N, 142-53E) - no torpedoes   82 
43/05/13       patro05: departed for P.H.   82 
43/05/21 43/05/24     P.H.   82 
43/05/22       P.H. - CinCPAC onboard - awarding ceremony   82 
43/05/24       P.H. sail to Mare Island for overhaul   82 
43/06 43/07/11     MINY - overhaul > Ms 9  
43/07/21 43/07/27     sail Mare Island > P.H.   82 
43/07/27 43/08/02     P.H.   82 
43/07/29       XO transferred to hospital   82 
43/07/30 43/08/01     training   81 
43/08/02 43/08/29     patro06: Japan & Okhotsk Sea - 9 attacks, no hit (torpedo defects)   82 
43/08/06       patro06: Midway - refuel (AS Sperry)   81 
43/08/13       patro06: entered Sea of Okchotsk   81 
43/08/15       patro06: attacking (4x) 2 AKs off Shikotan Hanto, Hokkaido (43-07 - 43-15N, 139-55 -140-03E):   81 
43/08/15       patro06: damaging AO Terukawa Maru (43-15N, 140-03E), merchant Rjokai Maru (43-12N, 140-00E)   85 
43/08/17       patro06: attacking 2 freighters (42-45N, 139-50E)   81 
43/08/18       patro06: attacking 2 freighters   81 
43/08/19       patro06: ordered (ComSubPac) back to base - sighted Russian ship   81  66 
43/08/20       patro06: take aboard 6 Japanese POW, sinking sampan Inari Maru #1 (45-35N, 146-50E)   81  85 
43/08/25       patro06: Midway - unload 10 torpedoes   81 
43/08/29 43/09/09     P.H. - refit   82 
43/09/09 43/10/11     patro07: Japan Sea - new Mk 18 torpedoes   82 
43/09/12       patro07: Midway - refuel   81 
43/09/21       patro07: sinking fishing vessel Hokusei Maru 150 nm E of La Perousse Strait (45-45N, 145-46E)   85 
43/09/23       patro07: entered Japan Sea   81 
43/09/29       patro07: sinking AK Masaki Maru #2 (1238 BRT - JANAC) (40-00N, 130-00E)   82  83 
43/10/05       patro07: Cushima Strait-sinking AP Konron M.(7903 BRT) (34-00N, 130-00E)   82  83 
43/10/09       patro07: sinking AK Kanko Maru (2995 BRT - JANAC) off Oga Peninsula (37-18N, 129-33E)   82  83 
43/10/11       patro07: sunk/prob(plane, PC Nr.15 & 43) in La Perousse Strait (45-13N, 141-56E)   85 

Ship status, hull number changes...: sunk 45-13N, 141-56E; 1943/11/09 presumed lost, 1943/12/06 struck from Navy
Ship score (awards, enemy ships credited...): 6 Battle Stars, 7 patrols; 20/60738
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