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  USS Trout SS-202
USN
Tambor-class submarine

1,475 Tons (standard)
2,370 tons (submerged)
307' 2" x 27' 3" x 14' 7.5"
10 x 21" torpedo tubes (6 bow, 4 aft) with 24 torpedoes
1 x 3"/50 cal deck gun (upgraded to 4" in late 1943)
40mm Bofors AA gun
20mm AA gun


USN c1940


USN March 1942
Sub History
Built by Portsmouth Naval Shipyard, Kittery, Maine. Laid down August 8, 1939 as the fifth Tambor-class submarine. Launched May 21, 1940 as USS Trout (SS-202) named for the Trout fish sponsored by sponsored by Mrs. Walter B. Woodson. Commissioned November 15, 1940 in the U.S. Navy (USN) under the command of Lieutenant Commander Frank Wesley "Mike" Fenno, Jr. Afterwards, undergoes a shakedown cruise along the east coast.

On July 2, 1941 departs New York with USS Triton (SS-201) via the Panama Canal and San Diego to join the Pacific Fleet. On August 4, 1941 arrives Pearl Harbor on and assigned to Submarine Squadron 6. Afterwards, underwent training with Submarine Division 62. On November 29, 1941 departs Pearl Harbor on a simulated war patrol off Midway Atoll and remained submerged during daylight hours.

Wartime History
On December 7, 1941 Trout was notified of the Japanese attack on Pearl Harbor. After sunset, surfaces and observes destroyers Ushio and Sazanami shelling Midway Atoll and proceeds towards them at full speed but they withdraw before the submarine could make an attack. Afterwards, patrols the vicinity. On December 20, 1941 returns to Pearl Harbor.

Second War Patrol
On January 12, 1942 departs Pearl Harbor on her second war patrol bound for the Philippines to deliver a cargo of 3,500 rounds of 3" ammunition to Corregidor. On January 16, 1942 arrives Midway Atoll and is topped off with fuel. then continues westward. On January 27, 1942 near the Bonin Islands spots a light and fired a stern torpedo that missed a submarine chase and resumed course.

On February 3, 1943 rendezvoused with PT-34 off Corregidor and was escorted through the minefield and is moored at South Dock on Corregidor and immediately begins unloading and is refueled and loads two more torpedoes. For extra ballast, 20 tons of gold bars and silver pesos from banks in the Philippines that were embarked aboard as ballast and to evacuate the assets from the Philippines. Also loaded was important mail, securities and U.S. Department of State dispatches. On February 4, 1942 at daybreak submerged until after sunset then surfaces and loading continues then was escorted out of the mine field to the open sea and departs for the East China Sea.

On February 10, 1943 fired a torpedo at Chuwa Maru but missed, then fired two more torpedoes that hit and sank. That night near the Bonin Islands spots a light, closed and fired two torpedoes that both missed as an enemy torpedo pass her port side and dove to 120' as another passed above. Trout surfaced to periscope depth and fired a third torpedo and hit a small patrol ship of 200 tons. On March 3, 1942 returns to Pearl Harbor ending her war patrol. The cargo of gold and silver was transfered aboard USS Detroit (CL-8).

PARTIAL HISTORY

During late 1943, arrives Mare Island Navy Yard for overhaul and modernization including a rebuild of her conning tower, reduction of her fairwater and replacement of the 3".50 cal deck gun with a 4" deck gun plus 18 additional bunks for her crew and ready for duty and by late January 1944 returns to Pearl Harbor to resume duty.

Eleventh War Patrol
On February 8, 1944 departs Pearl Harbor on her eleventh war patrol. On February 16, 1944 arrives Midway Atoll to refuel and departs bound for the East China Sea.

Sinking History
On February 29, 1944 presumed lost northwest of the Philippines attacking convoy Matsu No. 1 of four transports escorted by three destroyers: Asashimo, Kishinami, and Okinami. Reportedly, Trout fired a spread of Mk. XVIII electric torpedoes torpedoes at the convoy and sank Sakito Maru and damaged another transport.

Destroyer Asashimo detected a submarine, presumed to be Trout and dropped 19 depth charges at at roughly Lat 22°40′N Long 131°45′E and observed oil and debris and dropped another depth charge on the same spot. The precise circumstances of her loss remain a mystery, likely damage sustained during these depth charge attacks. On April 7, 1944 her entire crew of 81 were declared Missing In Action (MIA) including Lt. Cdr. Albert Hobbs Clark and executive officer Lt. Harry Eades Woodworth. On April 8, 1945 presumed lost by the Navy.

Awards
Trout earned eleven battle stars for World War II service.

References
Naval History and Heritage Command (NHHC) - Trout I (SS-202)
NavSource - USS Trout (SS-202)
On Eternal Patrol - USS Grampus (SS-207) crew list

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Last Updated
February 3, 2026

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