John Jay Flachsenhar, USN
| Birth details unknown |
| Ranks
Decorations
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Warship Commands listed for John Jay Flachsenhar, USN
| Ship | Rank | Type | From | To |
| USS Rock (274) | Cdr. | Submarine | 26 Oct 1943 | 23 Feb 1945 |
Career information
We currently have no career / biographical information on this officer.
Events related to this officer
Submarine USS Rock (274)
2 Jan 1944
With her initial training completed USS Rock (Cdr. John J. Flachsenhar) departs the Panama Canal Zone bound for Pearl Harbor.
8 Feb 1944
USS Rock (Cdr. J.J. Flachsenhar) departs Pearl Harbor for her 1st war patrol. She is ordered to patrol off the Ryukyu Islands.
29 Feb 1944
USS Rock (Cdr. J.J. Flachsenhar) is damaged by surface gunfire and depth charges off the Ryukyu Islands in position 25º33'N, 130º42'E and is forced to terminate her patrol.
13 Mar 1944
USS Rock (Cdr. J.J. Flachsenhar) ends her 1st war patrol at Pearl Harbor.
4 Apr 1944
USS Rock (Cdr. J.J. Flachsenhar) departs Pearl Harbor for her 2nd war patrol. She is ordered to patrol off Honshu in Japanese home waters.
28 May 1944
USS Rock (Cdr. J.J. Flachsenhar) ends her 2nd war patrol at Majuro.
22 Jun 1944
USS Rock (Cdr. J.J. Flachsenhar) departs Majuro for her 3rd war patrol. She is ordered to patrol in the Luzon Strait.
12 Aug 1944
USS Rock (Cdr. J.J. Flachsenhar) ends her 3rd war patrol at Pearl Harbor.
9 Sep 1944
USS Rock (Cdr. J.J. Flachsenhar) departs Pearl Harbor for her 4th war patrol. She is ordered to patrol in the South China Sea.
26 Oct 1944
USS Rock (Cdr. J.J. Flachsenhar) torpedoes and sinks the Japanese merchant tanker Takasago Maru No.7 (834 GRT) near Balabac Strait in position 10º18'N, 117º47'E.
8 Nov 1944
USS Rock (Cdr. J.J. Flachsenhar) ends her 4th war patrol at Fremantle, Australia.
14 Dec 1944
USS Rock (Cdr. J.J. Flachsenhar) departs Fremantle for her 5th war patrol. She is ordered to patrol in the South China Sea.
14 Feb 1945
USS Rock (Cdr. J.J. Flachsenhar) ends her 5th war patrol at Fremantle.