The Vermont (SSN 792) is the 19th Virginia-class attack submarine and the third United States Navy ship named for the "Green Mountain State." The contract to build her was awarded to General Dynamics Electric Boat division on April 28, 2014. Construction began in May 2014 and the ship was named on Sept. 18.

October 20, 2018 The Pre-Commissioning Unit (PCU) Vermont was christened during an 11 a.m. EDT ceremony at the Electric Boat shipyard's assembly bay in Groton, Connecticut. Ms. Gloria L. Valdez, the former Deputy Assistant Secretary of the Navy (Ships), served as sponsor of the ship. Cmdr. Henry M. Roenke, IV is the prospective commanding officer.

March 15, 2020 The Vermont departed Electric Boat shipyard for a three-day underway to conduct Alpha sea trials.

March 30, Cmdr. Charles W. Phillips, III relieved Cmdr. Henry M. Roenke, IV as commanding officer of the Vermont.

April 17, PCU Vermont moored at Pier 8S on Naval Submarine Base New London after an 11-day underway for acceptance trials with the INSURV.

April 17, General Dynamic's Electric Boat officialy delivered the future USS Vermont to the U.S. Navy.

April 18, USS Vermont was officially commissioned during a short ceremony at Groton, Connecticut.

May 2, The Vermont departed Naval Submarine Base New London for routine operations; Brief stop off Groton for personnel transfer on May 8 and 14th; Moored at Pier 6S on May 18; Underway again on May 29.

June 1, The Vermont made a brief stop off Groton for personnel transfer; Brief stop off Groton again on June 13 and 19th; Brief stop off Naval Station Norfolk on June 23 and 25th; Moored at Pier 10N on June 28.?

September 6, USS Vermont moored at Pier 10S on Naval Submarine Base New London after underway for routine training; Underway for Pre-overseas Movement Certification (POMCERT) on Oct. 15; Brief stop off Groton for personnel transfer on Oct. 21; Returned home on Oct. 26; Underway again on Nov. 21.

December 10, USS Vermont moored at the newly-constructed Island of Madeira Submarine Base in Itaguai, Brazil, for a scheduled port visit in conjunction with the Sailor's Day.

December 24, The Vermont moored at Pier 17S on Naval Submarine Base New London.

From January 17-20, 2021, USS Vermont conducted acoustic trials off the coast of Port Everglades, Florida; Conducted acoustic trials again from Jan. 22-25; Moored at Trident Wharf in Port Canaveral on Jan. 26; Returned home on Feb. 3; Underway again from Feb. 6-18; Underway again on March ?.

From April 2-7, the Vermont participated in anti-submarine warfare (ASW) exercise Black Toro, while underway in the northeast Atlantic Ocean; Moored at Berth 2, Pier 1 on Naval Station Rota, Spain, from April 14-19; Returned home on April 26; Underway again on May 1.

May 19, USS Vermont moored at Trident Wharf in Port Canaveral, Florida; Brief underway on May 20; Departed Port Canaveral on May 23; Moored at Pier 17S in Naval Submarine Base New London on May 28.

August 5, The Vermont made a brief stop off the coast of Groton for personnel transfer; Brief stop off Groton again on Aug. 8; Moored at Pier 6N on Aug. 26.

August 28, USS Vermont held a commissioning commemoration ceremony at Pier 6 on Naval Submarine Base New London.

October 4, SSN 792 made a brief stop off the coast of Groton for personnel transfer; Brief stop off Naval Station Norfolk on Oct. 13.

November 4, General Dynamics Electric Boat Corp. was awarded an $13,1 million modification to a previously awarded contract (N00024-12-C-2115) for planning and execution of USS Vermont's Post Shakedown Availability (PSA). Work is expected to be completed by May 2022.

July 29, 2022 Cmdr. Michael A. Lilleberg relieved Cmdr. Charles W. Phillips, III as CO of the Vermont during a change-of-command ceremony at the Submarine Force Library and Museum in Groton.

November 4, USS Vermont undocked from Graving Dock #2 and moored pierside at Electric Boat shipyard.

May 6, 2023 USS Vermont moored at Pier 6S on Naval Submarine Base New London after underway for sea trials; Underway again on May 18; Moored at Pier 31N on May 29; Underway for a homeport change to Pearl Harbor, Hawaii, on June 16; Conducted acoustic trials, off the coast of Port Everglades, Fla., from July 6-7; Transited the Panama Canal southbound on July 17.

July 27, USS Vermont moored at Pier S8 in its new homeport of Joint Base Pearl Harbor-Hickam for the first time; Moored at Wharf W5, Naval Magazine Lualualei for ammo onload from Aug. ?-4 and Sept. 11-15; Underway again on Sept. ?; Brief stop in Pearl Harbor on Oct. 2, 9 and Nov. 6.

January 16, 2024 USS Vermont is currently moored at Pier S8 on Joint Base Pearl Harbor-Hickam; Underway again on Jan. 1?; Brief stop in Pearl Harbor for personnel transfer on Jan. 22, 29 and Feb. 1; Moored at Wharf S1B on Feb. 15; Moved to Wharf W4 for ammo onload on Feb. 26; Moored at Wharf Y3A on March ?; Moved to Wharf W4 again on April 8.?

April 22, USS Vermont moored at Wharf S1A on Joint Base Pearl Harbor-Hickam after underway for routine operations; Underway again on April 23; Brief stop in Pearl Harbor on May 5 and 8th; Moored at Wharf Y3A on May ?.

June ?, USS Vermont departed Pearl Harbor for its maiden deployment.

June 26, The Vermont transited the Panama Canal northbound.?

September 20, The Vermont made a brief stop in Sasebo Harbor, Japan, for personnel transfer and supplies; Moored at Berth 1 in Busan Naval Base, ROK, from Sept. 23-28; Moored at Berth 3, Akasaki Pier in Fleet Activities Sasebo on Sept. 30.