The Missouri (SSN 780) is the seventh Virginia-class submarine and the fifth ship in the United States Navy named in honor of the U.S. state of Missouri. The first USS Missouri was a steam/sail warship commissioned in 1842, only 21 years after Missouri was admitted into the union. In the midst of the Civil War, the Confederate Navy commissioned a paddle-wheel ironclad named CSS Missouri that served as a minelayer and troop transport. It was captured by the union in 1865, but never commissioned by the U.S. Navy.

The build contract was awarded to the Electric Boat Division of General Dynamics Corporation in Groton, Conn., on August 14, 2003.

September 27, 2008 The keel was laid for the Pre-Commissioning Unit (PCU) Missouri at GDEB’s Quonset Point facility in North Kingstown, R.I. Mrs. Rebecca W. Gates, the wife of Secretary of Defense, Robert M. Gates, is the ship's sponsor.

December 5, 2009 PCU Missouri was christened during an 11:00 a.m. EDT ceremony at Electric Boat in Groton. Cmdr. Timothy A. Rexrode is the prospective commanding officer. The ship was launched on Nov. 20.

April 16, 2010 The crew of SSN 780 moved aboard the submarine for the first time on "In Service Day" in Groton, Conn.

July 4, The Missouri returned to Electric Boat shipyard after completing the two-day Alpha sea trials.

July 31, USS Missouri was commissioned during an 11 a.m. EDT ceremony at Naval Submarine Base New London in Groton, Conn.

October 18, SSN 780 is currently moored at Trident Wharf in Port Canaveral for a "shakedown", a series of tests, adjustments and instrument calibrations the submarine is undergoing before it embarks on its first official mission; Moored at Trident Wharf again on Nov. 6.

January 21, 2011 General Dynamics Electric Boat receives a $44.3 million cost-plus-fixed fee contract modification for the USS Missouri’s Post Shakedown Availability (PSA). Work will include long lead time material procurement as well and is scheduled to be complete by January 2012.

August 12, The Virginia-class attack submarine departed dry-dock after various maintenance work and several system upgrades. USS Missouri arrived at Electric Boat shipyard on Jan. 25.

December 19, SSN 780 returned to Naval Submarine Base New London after sea trials, successfully completing the PSA one month ahead of schedule.

March 12, 2012 USS Missouri arrived at Naval Submarine Base Kings Bay, Ga., after a four-day transit from the Navy's Atlantic Undersea Test and Evaluation Center in the Bahamas.

April 20, Cmdr. Michael D. Luckett relieved Cmdr. Timothy A. Rexrode as CO of the Missouri during a change-of-command ceremony on board the sub at NSB New London.

July 18, USS Missouri recently pulled into Port Canaveral, Fla., for a routine port call.

April 28, 2013 The Missouri pulled into Port Everglades, Fla., for a brief stop for personnel transfer after conducting operations off the coast of Florida.

June 18, USS Missouri departed Groton, Conn., for its maiden deployment.

August 8, SSN 780 moored at Her Majesty's Naval Base (HMNB) Clyde in Faslane, Scotland, for a five-day port call.

September 17, USS Missouri moored at Middle Slip Jetty (MSJ) North in HMNB Portsmouth, England, for a six-day port call.

October 7, The Missouri departed Faslane, Scotland, after a brief port call to participate in at-sea phase of a multinational exercise Joint Warrior 13-2.

December 3, The Virginia-class attack submarine moored again at MSJ North in HMNB Portsmouth for a four-day port call.

December 20, USS Missouri returned to Naval Submarine Base New London after a six-month North Atlantic deployment. The sub also made port call to Haakonsvern, Norway.

March 24, 2014 USS Missouri departed Groton for a surge North Atlantic deployment.

June 8, SSN 780 returned to homeport after an 11-week underway period. Port call to Faslane, Scotland.

August 22, Submarine Group (SUBGRU) 2 was disestablished after 49 years during a ceremony on board the USS Missouri at NSB New London. SUBRON 4, SUBRON 6 and SUBDEVRON 12 will now report directly to Commander, Submarine Force Atlantic.

January 9, 2015 Cmdr. Fraser P. Hudson relieved Cmdr. Michael D. Luckett as the 3rd CO of Missouri during a change-of-command ceremony at NSB New London.

October 30, USS Missouri departed Her Majesty's Naval Base (HMNB) Clyde in Faslane, Scotland, after a routine port call.

January 25, 2016 The Missouri moored at Carrier Pier 4 in Arsenal de Brest, France, for a five-day port visit.

February 12, USS Missouri moored at Pier 6N on NSB New London following a six-month North Atlantic deployment. The sub traveled 37,000 nautical miles and also made port call to Rota, Spain.

May 3, The Missouri moored at Wharf D3 on Naval Station Mayport, Fla., for a brief stop to embark guests for a VIP cruise.

August 7, USS Missouri returned to Naval Submarine Base New London; Underway again from Aug. 15-16.

November 7, SSN 780 returned to Naval Submarine Base New London after underway for routine operations; Underway again on Nov. 28.

February 27, 2017 A Petty Officer 3rd Class Marcus D. Woods died during an overnight quarterdeck watch, from an apparent self-inflicted gunshot wound, on board the USS Missouri at NSB New London.

March 24, The Virginia-class attack submarine returned to Naval Submarine Base New London after underway for routine operations.

June 12, The Missouri moored at Her Majesty's Naval Base (HMNB) Clyde in Faslane, Scotland, for a routine port call.

October 4, USS Missouri moored at Pier 10N on Naval Submarine Base New London following a six-month North Atlantic deployment. The sub traveled more than 35,000 nautical miles and also made port calls to Haakonsvern, Norway.

November 15, The Missouri returned to homeport after underway for routine operations.

November 17, Cmdr. George Howell relieved Cmdr. Fraser P. Hudson as CO of the Missouri during a change-of-command ceremony at Dealey Center theater on NSB New London.

January ?, 2018  The Missouri departed Groton, Conn., for a homeport change to Pearl Harbor, Hawaii; Transited the Panama Canal southbound on Jan. 13.

January 26, USS Missouri moored at Pier S8 on Joint Base Pearl Harbor-Hickam for the first time.

February 1, SSN 780 moored at Wharf W5, Naval Magazine Lualualei to offload ammunition.

May 7, The Missouri moved from Pier S8 to Wharf B1 on Pearl Harbor Naval Shipyard; Entered the Dry Dock #1 on June 13.

September 4, 2019 USS Missouri undocked and moored at Wharf B2 on Pearl Harbor Naval Shipyard.

May 21, 2020 The Missouri moored at Wharf Y2 on Joint Base Pearl Harbor-Hickam after an 11-day underway for sea trials, following a two-year Extended Drydocking Selected Restricted Availability (E-DSRA); Emergency sortied due to Hurricane Douglas on July 25; Moored at Wharf S20 on July 28; Underway again from Aug. ?-11.

August 31, USS Missouri recently moored at Wharf Y3A on Joint Base Pearl Harbor-Hickam.

September 8, Cmdr. Carlos Martinez relieved Cmdr. George Howell as commanding officer of the Missouri.

October 5, USS Missouri moored at Wharf W4, Naval Magazine Lualualei for ammo onload; Underway on Oct. ?.

October 31, The Missouri arrived at the Southeast Alaska Acoustic Measurement Facility (SEAFAC) range, in the western Behm Canal near Ketchikan, Alaska, for acoustic trials; Moored at Pier S8 in Pearl Harbor on Nov. 1?.

From February 1?-14, 2021, USS Missouri was at anchorage, approximately 1 n.m. off the coast of Lahaina, Maui, as part of Dependent's Cruise.?

June 3, The Missouri departed Joint Base Pearl Harbor-Hickam in support of training exercise Agile Dagger 2021; Moored at Wharf Y3B on June 16; Moved to Wharf W5 for ammo onload on Aug. 17.?

September 1, USS Missouri departed Pearl Harbor for a scheduled western Pacific deployment, its first after a nearly four years.

January 10, 2022 The Missouri moored at Berth 13S in Fleet Activities Yokosuka, Japan, for a 15-day port call; Brief stop in Pearl Harbor to embark the Nuclear Propulsion Examination Board (NPEB) personnel, for Operational Reactor Safeguards Examination (ORSE), on March 29.

March 31, USS Missouri moored at Wharf S11 on Joint Base Pearl Harbor-Hickam following a seven-month deployment.

June 21, The Missouri is currently moored at Wharf Y2 on Joint Base Pearl Harbor-Hickam; Underway again from Aug. 26-29; Moored at Wharf W5 for ammo onload on Sept. 27.

October 17, SSN 780 moored at Wharf Y3A on Joint Base Pearl Harbor-Hickam after underway for routine operations; Underway again on Nov. ?; Brief stop in Pearl Harbor for personnel transfer on Dec. 5; Returned home on Dec. 7.

February 28, 2023 Cmdr. Gieorag M. Andrews relieved Cmdr. Carlos Martinez as CO of the Missouri during a change-of-command ceremony on board the sub at Wharf Y3B.

March 10, USS Missouri moored at S/S/O Mike Pier on Naval Base Point Loma for a week-long port call in support of the AUKUS trilateral meeting; Brief stop off Point Loma for personnel transfer on March 24; Brief stop in Pearl Harbor on April 3, 5, 7 and 11th; Moored at Pier S8 on April 13; Underway again from April 26- May 2 and May 8.

May 2?, The Missouri moored at Pier S9 on Joint Base Pearl Harbor-Hickam.

June 15, Rear Adm. Richard E. Seif relieved Rear Adm. Jeffrey T. Jablon as Commander, Submarine Force, U.S. Pacific Fleet (COMSUBPAC) during a change-of-command ceremony on board the Missouri.

June 20, USS Missouri moored at Wharf W5, Naval Magazine Lualualei for ammo onload; Underway again on June 22; Brief stop in Pearl Harbor on June 30; Moored at Wharf Y3A on Aug. 18; Moored at Wharf W5, Naval Magazine Lualualei for ammo onload from Sept. 18-26.?

October ?, USS Missouri departed Pearl Harbor for a scheduled western Pacific deployment.

December 17, The Missouri moored at Berth 1 in Busan Naval Base, Republic of Korea, for a six-day port visit; Moored at Naval Base Guam from Jan. 9-1?.

February 27, 2024 USS Missouri moored at Wharf S1B on Joint Base Pearl Harbor-Hickam following a five-month deployment.

April 5, The Missouri departed homeport for routine operations in the Hawaiian Islands Op. Area; Brief stop in Pearl Harbor for personnel transfer on April 9; Moored at Wharf S1B on April 11; Moved to Wharf W5, Naval Magazine Lualualei for ammo offload on April 15; Moved to Wharf Y2 on April 19; Underway again from June 2-13 and June 17-20; Moved to Wharf W5 for ammo onload on July 15; Underway again on July ?.

August 8, USS Missouri moored at Wharf S1B on Joint Base Pearl Harbor-Hickam; Underway again on Aug. 13; Moored at Pier S9 on Aug. 22; Underway again from Aug. 2?-30; Moored at Wharf W4 from Oct. 14-17; Underway again on Oct. 18; Brief stop in Pearl Harbor for personnel transfer on Oct. 21; Moored at Pier S9 on Oct. 23; Underway again on Nov. ?.

November 12, The Missouri moored at Wharf W5, Naval Magazine Lualualei for ammo onload; Moored at Pier S9 on Nov. 15; Underway again from Dec. 13-17.?