SSN 791
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The Delaware (SSN 791) is the 18th Virginia-class attack submarine and the seventh United States Navy ship named for the State of Delaware. The contract to build her was awarded to Northrop Grumman Newport News Shipbuilding on Dec. 22, 2008 and construction began in September 2013.

April 30, 2016 The keel was laid down for the future USS Delaware during a ceremony at Newport News shipyard.

October 20, 2018 The Pre-Commissioning Unit (PCU) Delaware was christened during a 10 a.m. EDT ceremony at the Huntington Ingalls Industries (HII) Newport News Shipbuilding in Newport News, Virginia. Dr. Jill T. Biden, the former second lady of the United States, served as sponsor of the ship. Cmdr. Brian P. Hogan is the prospective commanding officer.

December 12, PCU Delaware moved from the Module Outfitting Facility (MOF) Bay #4W to a floating dry-dock; Launched on Dec. 14.

August 30, 2019 The Delaware moored at Pier 6 on Newport News Shpyard after underway for the first time to conduct Alpha sea trials; Underway for Bravo trials from Aug. 31- Sept. 8; Underway for acceptance trials on Oct. 1.

October 7, SSN 791 made a brief stop off Naval Station Norfolk for personnel transfer; Moored at Pier 6, Newport News Shpyard on Oct. 9; Moved to Berth 5, Pier 3 in Naval Station Norfolk on Oct. 24.

October 25, Huntington Ingalls Industries (HII) Newport News Shipbuilding officially delivered the PCU Delaware to U.S. Navy.

November 8, Cmdr. Matthew Horton relieved Capt. Brian P. Hogan as CO of the Delaware during a change-of-command ceremony on board the sub.

November 26, PCU Delaware moored at Berth 2, Pier 14 on Naval Station Norfolk after a two-week underway for routine operations; Moved to Berth 2, Pier 3 on Dec. 9; Underway again on March 20.

April 4, 2020 USS Delaware was officially commissioned without a ceremony while undersea. The commissioning was previously scheduled to happen in Port of Wilmington, Del., but was cancelled for public health safety and due to restrictions on large public gatherings.

April 23, The Delaware moored at Berth 2, Pier 14 on Naval Station Norfolk; Underway again on May 18; Brief stop off Naval Station Norfolk for personnel transfer on May 19.

May 22, USS Delaware moored at Trident Wharf in Port Canaveral, Fla., for a 10-day port call; Moored at Wharf C2 on Naval Station Mayport from June 15-19; Moored at Warrior Wharf on Naval Submarine Base Kings Bay, in preparation for magnetic treatment (DEPERM), on June 20; Underway for degaussing runs on June 22; Conducted acoustic trials off the coast of Port Everglades, Fla., from June 25-27 and June 29- July 2.

July 6, The Delaware moored at Pier 12N on Naval Submarine Base New London in Groton, Connecticut; Moved to Electric Boat shipyard for a Post Shakedown Availability (PSA) on July 15; Entered the Graving Dock #1 on July ?.

October 30, General Dynamics Electric Boat was awarded a $10,2 million modification to a previously awarded contract (N00024-09-C-2104) for the execution of USS Delaware's guaranty period. Work is expected to be completed by July 2021; Another $15 million modification was awarded on March 8, 2021.