8 Dec, 1941
USS Sargo (Lt.Cdr. T.D. Jacobs) leaves Manila for her 1st war patrol. She was ordered to patrol in the Gulf of Siam.

25 Jan, 1942
USS Sargo (Lt.Cdr. T.D. Jacobs) ended her 1st war patrol at Surabaya, Java, Netherlands East Indies. Here she offloaded her own ammunition and took onboard one million rounds of .30 caliber ammunition desperately needed by Allied forces in the Philippines. After delivering this cargo to Mindanao, she returned to Soerabaja with 24 aircrewmen from Clark Airfield on board.

25 Feb, 1942
USS Sargo (Lt.Cdr. T.D. Jacobs) leaves Surabaya for Fremantle, Australia with 31 passengers on board.

5 Mar, 1942
USS Sargo (Lt.Cdr. T.D. Jacobs) arrives at Fremantle.

8 Jun, 1942
After an uneventful 3th war patrol USS Sargo (Lt.Cdr. R.V. Gregory) left Fremantle for her 4th war patrol. She was ordered to patrol in the Gulf of Siam and off Malaya.

13 Jun, 1942
USS Sargo (Lt.Cdr. E.S. Carmick) torpedoes and sinks the Japanese troop transport Konan Maru (5226 GRT) about 250 nautical miles south of Yap, Caroline Islands in position 06º08'N, 138º28'E. (see map)

2 Aug, 1942
USS Sargo (Lt.Cdr. R.V. Gregory) ended her 4th war patrol when she returned to Fremantle.

25 Aug, 1942
USS Sargo (Lt.Cdr. R.V. Gregory) departed Fremantle for her 5th war patrol. She was ordered to patrol in the Celebes and South China Sea.

25 Sep, 1942
USS Sargo (Lt.Cdr. R.V. Gregory) torpedoes and damages the Japanese merchant Teibo Maru (4472 GRT) off coast of French Indochina, about 180 nautical miles east of Saigon in position 10º31'N, 109º31'E. She later finished off the damaged ship with gunfire. (see map)

25 Oct, 1942
USS Sargo (Lt.Cdr. R.V. Gregory) ended her 5th war patrol when she returned to Fremantle.

29 Nov, 1942
USS Sargo (Lt.Cdr. E.S. Carmick) leaves Brisbane, Australia for her 6th war patrol. She is ordered to return to Pearl Harbour after this patrol.

21 Jan, 1943
USS Sargo (Lt.Cdr. E.S. Carmick) ends her 6th war patrol at Pearl Harbour. She is ordered to the Mare Islands Navy Yard for an overhaul.

27 May, 1943
USS Sargo (Lt.Cdr. E.S. Carmick) leaves Pearl Harbour for her 7th war patrol. She is ordered to patrol in the Marshall / Caroline Islands area.

9 Jul, 1943
USS Sargo (Lt.Cdr. E.S. Carmick) ends her 7th war patrol when she returned to base at Midway.

1 Aug, 1943
USS Sargo (Lt.Cdr. E.S. Carmick) departs Midway for her 8th war patrol. Once again she is ordered to patrol in the Mariana / Caroline Islands area.

15 Sep, 1943
USS Sargo (Lt.Cdr. E.S. Carmick) ended her 8th war patrol at Pearl Harbour.

15 Oct, 1943
USS Sargo (Lt.Cdr. P.W. Garnett) departs Pearl Harbour for her 9th war patrol. She is ordered to patrol off Formosa and in the Philippine Sea.

9 Nov, 1943
USS Sargo (Lt.Cdr. P.W. Garnett) torpedoes and sinks the Japanese transport ship Tago Maru (2868 GRT) in the Philippine Sea in position 21º40'N, 131º12'E. (see map)

11 Nov, 1943
USS Sargo (Lt.Cdr. P.W. Garnett) torpedoes and sinks the Japanese troop transport Kosei Maru (3551 GRT) east of the Nansei Shoto in position 27º40'N, 130º24'E. (see map)

9 Dec, 1943
USS Sargo (Lt.Cdr. P.W. Garnett) ends her 9th war patrol at Pearl Harbour.

26 Jan, 1944
USS Sargo (Lt.Cdr. P.W. Garnett) leaves Pearl Harbour for her 10th war patrol. She is ordered to patrol north off Palau.

17 Feb, 1944
USS Sargo (Lt.Cdr. P.W. Garnett) torpedoes and sinks sinks the Japanese ammunition ship Nichiro Maru (6534 GRT) and damages the fleet tanker Sata (14050 GRT) north-east off Palau in position 08º50'N, 135º40'E. (see map)

29 Feb, 1944
USS Sargo (Lt.Cdr. E.S. Carmick) torpedoes and damages the Japanese transport ship Uchide Maru (5275 GRT) about 120 nautical miles west of Palau in position 08º57'N, 132º52'E. The ship is abandoned the next day and finally sinks on 2 March 1944. (see map)

12 Mar, 1944
USS Sargo (Lt.Cdr. E.S. Carmick) ends her 10th war patrol at Pearl Harbour.

7 Apr, 1944
USS Sargo (Lt.Cdr. E.S. Carmick) leaves Pearl Harbour for her 11th war patrol. She is ordered to patrol in Japanese home waters along the southern coasts of Kyushu, Shikoku, and Honshu.

26 Apr, 1944
USS Sargo (Lt.Cdr. E.S. Carmick) torpedoes and sinks the Japanese transport ship Wazan Maru (4851 GRT) off Ichiye Zaki, Honshu, Japan in position 33º31'N, 135º24'E. (see map)

26 May, 1944
USS Sargo (Lt.Cdr. E.S. Carmick) ends her 11th war patrol at Pearl Harbour. She is ordered to the Mare Islands Navy Yard for an overhaul.

13 Oct, 1944
With her overhaul competed USS Sargo (Lt.Cdr. E.S. Carmick) leaves Pearl Harbour for her 12th and final war patrol. She is ordered to patrol off the Bonin and Ryukyu Islands.

7 Dec, 1944
USS Sargo (Lt.Cdr. E.S. Carmick) ends her 12th and last war patrol at Majuro. she is now assigned to training duties.