John Day Gerwick, USN
| Born | 15 Jan 1913 | ?, Ohio, USA | |
| Died | 7 Jun 1973 | (60) | East Lyme, Connecticut, USA |
| Ranks
Decorations |
Warship Commands listed for John Day Gerwick, USN
| Ship | Rank | Type | From | To |
| USS Greenling (213) | T/Cdr. | Submarine | 17 Jun 1944 | 19 Jul 1945 |
Career information
We currently have no career / biographical information on this officer.
Events related to this officer
Submarine USS Greenling (213)
8 Aug 1944 (position 19.50, 119.58)
USS Greenling (Lt.Cdr. J.D. Gerwick) sank a Japanese trawler with gunfire north-east of Luzon, Philippines in position 19°50'N, 119°58'E.
12 Sep 1944
USS Greenling (Lt.Cdr. J.D. Gerwick) ended her 10th war patrol at Midway.
3 Oct 1944
USS Greenling (Lt.Cdr. J.D. Gerwick) departed Midway for her 11th war patrol. She was ordered to patrol in Japanese home waters off Honshu.
7 Nov 1944 (position 34.34, 138.35)
USS Greenling (Lt.Cdr. J.D. Gerwick) torpedoed and sank the Japanese transport ship Kiri Maru No.8 (945 GRT) and the Japanese tanker Kota Maru (971 GRT) south of Honshu in position 34°34'N, 138°35'E.
10 Nov 1944 (position 34.30, 138.34)
USS Greenling (Lt.Cdr. J.D. Gerwick) torpedoed and sank the Japanese Patrol Boat No.46 (former destroyer Fuji) southeast of Honshu in position 34°30'N, 138°34'E.
23 Nov 1944
USS Greenling (Lt.Cdr. J.D. Gerwick) ended her 11th war patrol at Pearl Harbor.
26 Dec 1944
USS Greenling (Lt.Cdr. J.D. Gerwick) departed from Pearl Harbor for her 12th war patrol. She was ordered to patrol off the Nansei
Shoto Islands.
25 Jan 1945 (position 29.27, 130.09)
During an attack on a Japanese convoy USS Greenling (Lt.Cdr. J.D. Gerwick) is damaged by depth charges in position 29°27'N, 130°09'E and is forced to terminate her patrol.
27 Jan 1945
USS Greenling (Lt.Cdr. J.D. Gerwick) ended her 12th war patrol at Saipan. She is sent to the Mare Island Navy Yard for a major overhaul.
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