The Oregon (SSN 793) is the 20th Virginia-class attack submarine and the third United States Navy ship named for the state of Oregon. The contract to build her was awarded to General Dynamics Electric Boat division in April 2012. Construction began in the fall of 2014 and the ship was named on Oct. 10.

July 8, 2017 The keel for the future USS Oregon was laid down during a ceremony at GDEB’s Quonset Point facility in North Kingstown, R.I.

October 5, 2019 The Pre-Commissioning Unit (PCU) Oregon was christened during a 10 a.m. EDT ceremony at the Electric Boat shipyard's assembly bay in Groton, Connecticut. Mrs. Dana L. Richardson, the wife of Adm. John M. Richardson, 31st Chief of Naval Operations (CNO), served as sponsor of the ship. Cmdr. Daniel A. Patrick is the prospective commanding officer.

From April 10-11, 2020, the Oregon has been slowly and meticulously moved from the assemby building to a floating Dry Dock #3; Launched on June 25.

November 20, Cmdr. Lacy N. Lodmell relieved Cmdr. Daniel A. Patrick as CO of the Oregon during a change-of-command ceremony at the Flasher World War II Memorial in Groton.

May 6, 2021 PCU Oregon entered the Graving Dock #2 on Electric Boat shipyard; Underway for Builder's (Alpha) trials from Dec. ?-10; Underway for Bravo trials from Dec. 16-23.

February 7, 2022 SSN 793 moored at Electric Boat shipyard after a four-day underway for Charlie trials; Underway for acceptance trials from Feb. 8-10; Moved to Pier 17N in Naval Submarine Base New London on March 1; Underway again on March 11.

March 28, The Oregon moored at Trident Wharf in Port Canaveral, Fla., for an eight-day port call; Brief stop in Naval Station Mayport for personnel transfer on April 29; Conducted acoustic trials off the coast of Port Everglades, Fla., from May 2-5 and May 7-10; Moored at Pier 6S in Naval Submarine Base New London on May 13.

May 28, USS Oregon was commissioned during an 11 a.m. EDT ceremony at Naval Submarine Base New London.

June 21, The Oregon made a brief stop off the coast of Naval Station Mayport, Florida; Brief stop off Groton for personnel transfer on June 30; Moored at Pier 6N on July 4; Underway again on July 18.

August 1, USS Oregon moored at Pier 17N on Naval Submarine Base New London; Underway again on Sept. 8; Brief stop off Groton for personnel transfer on Sept. 12; Brief stop at Pier 6N on Sept. 23 and 25th; Brief stop off Groton again on Sept. 29, Oct. 4, 6 and 12th; Returned home on Oct. 14; Underway again on Nov. 29.

December ?, USS Oregon moored at Pier 32N on Naval Submarine Base New London; Underway again on Jan. 14; Brief stop off Groton for personnel transfer on Jan. 18.

January 24, 2023 The Oregon made a brief stop off Electric Boat shipyard for personnel transfer; Brief stop off Groton on Jan. 27; Moored at Pier 32N for a brief stop on Jan. 30; Moored at Pier 32S on Jan. 31; Underway again on Feb. 13.

March 1, The Oregon arrived off the east coast of Sicily, Italy, to participate in NATO anti-submarine warfare (ASW) exercise Dynamic Manta 23-1; Brief stop off Brest, France, for personnel transfer on March 20; Moored at Carrier Pier 3W in Arsenal de Brest from March 24-25.

April 3, USS Oregon moored at Pier 6S on Naval Submarine Base New London following a seven-week deployment in the U.S. 6th Fleet Area of Responsibility (AoR).

April 14, Cmdr. John H. Ross relieved Cmdr. Lacy N. Lodmell as CO of the SSN 793 during a change-of-command ceremony on board the sub.

April 18, USS Oregon departed Naval Submarine Base New London; Moored at Pier 31N on April ?; Underway again on May 22; Brief stop off Groton for personnel transfer on May 24.

May 25, The Oregon moored outboard the USS Cole (DDG 67) at Berth 4E on Naval Weapons Station Earle, N.J., for a five-day port visit to participate in Fleet Week New York City; Moored at Pier 6N on May 31.

June 1, General Dynamics Electric Boat Corp. was awarded a $33 million modification to a previously awarded contract (N00024-12-C-2115) for the USS Oregon's Post Shakedown Availability (PSA). Work is expected to be completed by May 2024.

June 9, USS Oregon moored at Pier 32N on Naval Submarine Base New London after a four-day underway for routine operations; Underway again from June 27- July 12 and Aug. 4-8.