Year | Date | Historical Events |
1942 | May 1 | Keel laid down by the Electric Boat Co., Groton, CT. |
| Dec 30 | Launched. |
1943 | Mar 29 | Commissioned with LCDR. R. H. Rice in command.
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| Jun 8 | After trials and training, Paddle left New London, CT. for the Panama Canal and Pearl Harbor, HI. |
| Jul 5 | Paddle arrived at Pearl Harbor, HI. |
| Jul 20 | Paddle's 1st war patrol, was conducted South of Japan. |
| Aug 13 | Paddle scored a hit on a large freighter in her first attack, but alert escorts forced her down with a 13-hour depth charge attack. |
| Aug 19 | Enemy search planes damaged Paddle slightly with 7 bombs dropped as she patrolled submerged off the coast of Japan, but she repaired the damage quickly. |
| Aug 23 | Paddle sunk the passenger-cargo ship Ataka Maru. |
| Sep 12 | Paddle ended her patrol at Pearl Harbor, HI. |
| Oct 17 | During her 2nd war patrol, Paddle took station off Nauru to provide continuous weather reporting for the carrier task force attacking the Gilberts and Marshalls to cover the Tarawa landings. |
1944 | Mar 19 | After a West Coast overhaul, Paddle sailed for her 3rd war patrol from Pearl Harbor, HI., bound for the Dutch East Indies and the southern Philippines. |
| Apr 16 | In a brilliant night attack, Paddle sank 2 of a 3 ship convoy guarded by 4 escorts, torpedoing Mito Maru and Hino Maru No. 1. |
| May 12 | Paddle ended her patrol at Fremantle, Australia. |
| Jun 5 | Paddle's 4rh war patrol, began with reconnaissance of the Eastern approaches to Davao Gulf guarding against a Japanese sortie during the U.S. landings on Saipan. |
| Jun 30 | Damaged by bombs in the Celebes Sea, Paddle repaired quickly. |
| Jul 6 | Paddle attacked a small convoy, twice hitting a large freighter, and sinking the destroyer Hokaze before being forced down by other escorts.
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| Jul 29 | Paddle returned to Fremantle, Australia. |
| Aug 22 | After refit at Fremantle, Australia, Paddle made her 5th war patrol, encountering few contacts in her assigned area in the Sulu Sea. |
| Sep 7 | Paddle sent the cargo ship Shinyo Maru to the bottom and damaged another of her convoy. The cargo ship, Shinyo Maru, unmarked as a POW carrier and unknown to the Paddle, was carrying 750+ Allied POWs from the P.I. to Japan, when sunk by the Paddle. |
| Sep 7 | (Cont'd.) The Japanese crew and patrol boats killed all but 83 of the Shinyo Maru's POWs before they could reach shore. One survivor died on shore, one elected to remain in the P.I. and 81 returned home via Australia. |
| Sep 7 | (Cont'd.) As of 2006, seventeen "Survivors of the Shinyo Maru" remain alive in the U.S.
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| Sep 25 | Paddle ended her 5th war patrol. |
| Oct 3 | Paddle prepared for her 6th war patrol in Mios Woendi Lagoon, sailing for lifeguard off Balikpapan. During brief offensive periods, Paddle sank 2 oil laden sea trucks and a schooner by gunfire. |
| Nov 1 | Paddle returned to Fremantle, Australia. |
| Nov 25 | Paddle's 7th war patrol began at Fremantle, Australia. Operating mainly in the South China Sea and west of Luzon, Paddle fought through heavy weather to join Hammerhead in sinking the tanker Shoei Maru and damaging an enemy destroyer.
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1945 | Jan 18 | Paddle ended her patrol at Pearl Harbor, HI. |
| May 15 | After overhaul at San Francisco, CA., Paddle trained at Pearl Harbor, HI., whence she sailed on her 8th and last war patrol. Prowling the Yellow and East China Seas she found few substantial targets. |
| May 15 | (Cont'd.) Paddle and her sisters having by this time almost annihilated the Japanese merchant marine. She turned her attention to sinking floating mines with gunfire, and sank 8 schooners and picket boats.
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| Jul 18 | Paddle returned to Guam, Marianas Island. |
| Aug 13 | Paddle sailed for lifeguard duty off southern Honshu. |
| Aug 17 | With the war's end, Paddle sailed for Midway Atoll. |
| Sep 30 | The long voyage home via Hawaii and the Panama Canal ended at Staten Island, NY. |
1946 | Feb 1 | Decommissioned and placed "In Reserve" at New London, CT. |
1956 | Aug 31 | Paddle was recommissioned to prepare for transfer to Brazil under the Mutual Defense Assistance Program. |
1957 | Jan 18 | Decommissioned and transferred to the Brazilian Navy. |
1968 | Mar 1 | Struck from the Naval Register. |