Noteable events involving Spadefish include:
14 Jun, 1944
With her trials and initial training completed USS
Spadefish (Cdr. G.W. Underwood) departs San Francisco for
Pearl Harbour.
22 Jun, 1944
USS Spadefish (Cdr. G.W. Underwood) arrives at Pearl
Harbour.
23 Jul, 1944
USS Spadefish (Cdr. G.W. Underwood) departs Pearl Harbour
for her 1st war patrol. She is ordered to patrol in the
South China Sea north-west of Luzon, Philippines.
19 Aug, 1944
USS Spadefish (Cdr. G.W. Underwood) torpedoes and sinks
the Japanese landing craft depot and repair ship Tamatsu
Maru (9589 GRT) west of Luzon, Philippines in
position 18º48'N, 119º47'E.
22 Aug, 1944
USS Spadefish (Cdr. G.W. Underwood) torpedoes and damages
the Japanese tanker Hakko Maru No.2 (10023 GRT) in
Luzon Strait in position 18º48'N, 120º46'E. The
tanker takes limps to Passeleng Bay where efforts to
salvage fail and she broke up in heavy weather on 18
September 1944. Spadefish now set course to Saipan to
resupply and then resume her 1st war patrol in the waters
east of Formosa.
8 Sep, 1944
While operating east of Formosa USS Spadefish (Cdr. G.W.
Underwood) torpedoes and sinks the Japanese troop
transport Shokei Maru昭慶丸 (2557
GRT) and the Japanese army cargo ship Shinten Maru神天丸
(1254 GRT) in position 24º39'N, 123º31'E and
the Japanese merchant cargo ships Nichiman Maru日満丸
(1922 GRT) and Nichian Maru日安丸 (6197 GRT) in
position 24º45'N, 123º26'E.
24 Sep, 1944
USS Spadefish (Cdr. G.W. Underwood) ends her 1st war
patrol at Pearl Harbour.
23 Oct, 1944
USS Spadefish (Cdr. G.W. Underwood) departs Pearl Harbour
for her 2nd war patrol, She is ordered to patrol in the
East China and Yellow Seas.
14 Nov, 1944
USS Spadefish (Cdr. G.W. Underwood) torpedoes and sinks
the Japanese merchant cargo ship Gyokuyo Maru玉洋丸
(5396 GRT) in position 31º04'N, 123º56'E.
17 Nov, 1944
USS Spadefish (Cdr. G.W. Underwood) torpedoes and sinks
the Japanese escort carrier Shinyo
(17500 tons, offsite link) and torpedoes and damages the
Japanese landing ship Shinshu Maru about 140
nautical miles northeast of Shanghai, China, in position
32º59'N, 123º38'E.
18 Nov, 1944
USS Spadefish (Cdr. G.W. Underwood) torpedoes and damages
the Japanese auxiliary submarine chaser Cha 156 (130
tons) in the East China Sea in position 33º07'N, 123º19'E.
29 Nov, 1944
USS Spadefish (Cdr. G.W. Underwood) torpedoes and sinks
the Japanese merchant cargo ship Daiboshi Maru No.6第六大星丸
(3925 GRT) in the Yellow Sea off the west coast of Korea
in position 37º17'N, 125º11'E.
12 Dec, 1944
USS Spadefish (Cdr. G.W. Underwood) ends her 2nd war
patrol at Majuro.
6 Jan, 1945
USS Spadefish (Cdr. G.W. Underwood) departs Majuro for
her 3rd war patrol. She is ordered to patrol in the
Yellow Sea.
28 Jan, 1945
While operating in the Yellow Sea USS Spadefish (Cdr. G.W.
Underwood) torpedoes and sinks the Japanese frigate Kume
(940 tons, offsite link) in position 33º50'N, 122º55'E
and the Japanese troop transport Sanuki Maru讃岐丸
(7158 GRT) in position 34º02'N, 123º00'E.
4 Feb, 1945
USS Spadefish (Cdr. G.W. Underwood) torpedoes and sinks
the Japanese merchant cargo ship Tairai Maru 泰東丸(4273
GRT) in the Yellow Sea off the west coast of Korea in
position 37º18'N, 125º22'E.
6 Feb, 1945
USS Spadefish (Cdr. G.W. Underwood) torpedoes and sinks
the Japanese merchant passenger/cargo ship Shohei Maru昌平丸
(1092 GRT) off Port Arthur, Korea in position 38º46'N,
121º28'E.
13 Feb, 1945
USS Spadefish (Cdr. G.W. Underwood) ends her 3rd war
patrol at Guam.
15 Mar, 1945
USS Spadefish (Cdr. W.J. Germershausen) departs Guam for
her 3rd war patrol. She is ordered to patrol in the East
China and Yellow Seas.
23 Mar, 1945
USS Spadefish (Cdr. W.J. Germershausen) torpedoes and
sinks the Japanese troop transport Doryu Maru 道了丸(2274
GRT) about 120 nautical miles north-north-west of Amami O
Shima in position 29º38'N, 127º36'E.
1 Apr, 1945
USS Spadefish (Cdr. W.J. Germershausen) sinks a Japanese
sailing vessel with gunfire south of Korea in position 34º23'N,
128º08'E.
7 Apr, 1945
USS Spadefish (Cdr. W.J. Germershausen) sinks a Japanese
sailing vessel with gunfire in the Yellow Sea in position
36º01'N, 124º52'E.
8 Apr, 1945
USS Spadefish (Cdr. W.J. Germershausen) torpedoes and
sinks the Japanese merchant cargo ship Ritsu Go利通号
(1834 GRT) off the west coast of Korea in position 37º21'N,
125º08'E.
11 Apr, 1945
USS Spadefish (Cdr. W.J. Germershausen) torpedoes and
sinks the Japanese auxiliary minesweeper Hinode Maru
No.17第十七日の出丸 (235 GRT) off Tokckok-Kundo
in position 37º13'N, 125º11'E.
21 Apr, 1945
USS Spadefish (Cdr. W.J. Germershausen) ends her 4th war
patrol at Guam.
27 May, 1945
USS Spadefish (Cdr. W.J. Germershausen) departs Guam for
her 5th war patrol. She is ordered to patrol in the Sea
of Japan.
10 Jun, 1945
While operating west of Hokkaido in the Sea of Japan USS
Spadefish (Cdr. W.J. Germershausen) torpedoes and sinks
the Japanese merchant cargo ship Daigen Maru No.2 第二大源丸(1999
GRT) off Otaru in position 43º23'N, 140º39'E,
the Japanse troop transport Unkai Maru No.8 (1293
GRT) off Shakotan Mizaki in position 43º55'N, 141º13'E
and the Japanese army cargo ship Jintsu Maru 神通丸(985
GRT) in position 43º28'N, 140º28'E.
12 Jun, 1945
While operating in the Sea of Japan west of Hokkaido USS
Spadefish (Cdr. W.J. Germershausen) sinks a Japanese
sampam with gunfire in position 44º11'N, 140º31'E,
a Japanese trawler with gunfire in position 44º58'N,
141º05'E, the Japanese guardboat Daido Maru (69
GRT) with gunfire in position 45º08'N, 141º10'E
and finally another Japanese trawler with gunfire in
position 44º50'N, 141º18'E.
13 Jun, 1945
USS Spadefish (Cdr. W.J. Germershausen) mistakenly
torpedoes and sinks the Russian passenger ship Transbalt
(11439 GRT) west of the La-Perouse Strait in position 45º44'N,
140º48'E.
14 Jun, 1945
USS Spadefish (Cdr. W.J. Germershausen) torpedoes and
sinks the Japanese merchant cargo ship Seizan Maru青山丸
(2018 GRT) off western Sakhalin in position 47º03'N,
142º01'E.
17 Jun, 1945
USS Spadefish (Cdr. W.J. Germershausen) torpedoes and
sinks the auxiliary minelayer Eijo Maru永城丸
(2274 GRT) off Matsuta Misaki, Hokkaido, Japan in
position 42º38'N, 139º49'E.
4 Jul, 1945
USS Spadefish (Cdr. W.J. Germershausen) ends her 5th war
patrol at Pearl Harbour.
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