Trigger

CountryUnited States
Ship ClassGato-class Submarine
Hull NumberSS-237
BuilderMare Island Navy Yard

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Submarine Trigger (SS-237) Interactive Map

Photographs

Launching of Trigger, Mare Island Navy Yard, Vallejo, California, United States, 22 Oct 1941; note submarine Sunfish and submarine tender Sperry in background

Trigger Operational Timeline

10 Jun 1943 Hiyo, Yugure, and Ariake deparated Yokosuka, Japan at 1400 hours. About 17 miles off Miyake Island at 1852 hours, USS Trigger fired six torpedoes at Hiyo, scoring two hits. In the darkness, at 1937 hours, Hiyo opened fire on Yugure while Yugure swept for the American submarine, killing two and wounding five. Yugure's No. 3 turret's shield was also damaged. Nevertheless, Yugure and Ariake would remain on anti-submarine patrols around Hiyo through the night.
24 Sep 1944 Gato-class submarine USS Silversides in company with submarines USS Salmon and USS Trigger departed Pearl Harbor, Hawaii bound for Saipan.
3 Oct 1944 Submarines USS Silversides, USS Salmon, and USS Trigger arrived at Saipan, Mariana Islands.
31 Oct 1944 USS Sterlet attacked Japanese tanker Takane Maru after sundown 115 miles southeast of Kyushu, sinking her with six torpedoes. She shared the credit with USS Salmon and USS Trigger, which had damaged the tanker the day before.
3 Nov 1944 Submarines USS Silversides, USS Salmon, USS Trigger, and USS Sterlet arrived at Saipan.
10 Nov 1944 Submarines USS Silversides, USS Saury, USS Tambor, USS Trigger, USS Sterlet, USS Ronquil, and USS Burrfish departed Saipan as a designated task unit to sweep and destroy Japanese patrol boats between the Bonin Islands and Japan. The unit was commanded by Cdr Thomas "Burt" Klakring aboard Silversides.
15 Nov 1944 While conducting a sweep northward from the Bonin Islands, Wolfpack "Burt's Brooms" made up of submarines USS Silversides, USS Saury, USS Tambor, USS Trigger, USS Sterlet, USS Ronquil, and USS Burrfish open a four-day running gunfight with numerous Japanese patrol boats sinking two and damaging four, including two damaged so badly they see no further service during the war.
28 Mar 1945 The US submarine Trigger was depth charged and sunk by Japanese vessels whilst on patrol in the East China Sea.




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Submarine Trigger (SS-237) Photo Gallery
Launching of Trigger, Mare Island Navy Yard, Vallejo, California, United States, 22 Oct 1941; note submarine Sunfish and submarine tender Sperry in background


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