A History of the Submarines Built at the
Mare Island Naval Shipyard

Exhibit by Steve Shay
Frame 1, Page 10

USS Trigger SS-237
Gato class
Launched October 22, 1941

Upper: First Day of Postal Service cover, USS Trigger Type 3z(BBT) cancel, cachet sponsored by Dr. S.E. Hutnick.
Lower: USS Trigger Type Fz cancel.

Cover 650: Trigger SS 237, February 2, 1942

Cover 651: Trigger SS 237, March 19, 1942

Made twelve war patrols in the Pacific during World War II, sinking 18 ships, damaging several others including Japanese carrier Hiyo. During one patrol sunk three ships for combined total 20,660 tons in three and a half hours. 7th on the honor roll (tonnage) with 86,552 tons, tied for 11th on the honor roll (ships sunk). Lost on patrol March 28, 1945 after depth charge attack by surface ships and aircraft.

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Last Updated: March 24, 2002
Copyright 2002 Steve Shay (used with permission)