History for the SS-200, U.S.S. Thresher
| Patrols | |||||||
|---|---|---|---|---|---|---|---|
| No: | Captain: | From: | Date: | Duration: | Score (WT): | JANAC | Return: |
| 1 | William L. Anderson | Pearl Harbor | began prewar | Pearl Harbor | |||
| 2 | William L. Anderson | Pearl Harbor | 12/41 | 58 | 1/4,500 | 0/0 | Pearl Harbor |
| 3 | William L. Anderson | Pearl Harbor | 3/42 | 37 | 1/5,000 | 1/3,039 | Pearl Harbor |
| 4 | William J. Millican | Pearl Harbor | 6/42 | 50 | 1/6,000 | 1/4,800 | Fremantle |
| 5 | William J. Millican | Fremantle | 9/42 | 61 | 1/3,000 | 1/3,000 | Fremantle |
| 6 | William J. Millican | Fremantle | 12/42 | 25 | 2/17,000 | 1/2,700 | Fremantle |
| 7 | William J. Millican | Fremantle | 1/43 | 45 | 2/14,000 | 2/11,000 | Brisbane |
| 8 | Harry Hull | Fremantle | 4/43 | 50 | 0/0 | 0/0 | Fremantle |
| 9 | Harry Hull | Fremantle | 6/43 | 42 | 2/20,000 | 1/5,000 | Pearl Harbor |
| 10 | Harry Hull | Pearl Harbor | 11/43 | 29 | 1/5,600 | 1/4,882 | Pearl Harbor |
| 11 | Duncan C. MacMillan | Pearl Harbor | 12/43 | 54 | 4/26,300 | 4/14,523 | Pearl Harbor |
| 12 | Duncan C. MacMillan | Pearl Harbor | 3/44 | 51 | 0/0 | 0/0 | Pearl Harbor |
| 13 | Duncan C. MacMillan | Pearl Harbor | 6/44 | 44 | 6/35,100 | 2/7,700 | Pearl Harbor |
| 14 | John R. Middleton, Jr. | Pearl Harbor | 8/44 | 50 | 3/20,600 | 3/9,170 | Pearl Harbor |
| 15 | John R. Middleton, Jr. | Pearl Harbor | 1/45 | 82 | 0/0 | 0/0 | Pearl Harbor |
On April 10, 1942, the SS-200 Thresher submarine sank a Japanese merchant ship off the coast of Oshima Island, Japan and later on July 9 1942, sank a Japanese torpedo recovery vessel off the Marshall Islands.