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The Tripoli (LHA 7) is the second America-class amphibious assault ship and the third U.S. Navy ship named in honor of U.S. Marines and approximately 370 soldiers from 11 other nationalities who captured the city of Derna, Libya, during the 1805 Battle of Derna.

May 31, 2012 U.S. Navy awarded a $2,38 billion contract to Huntington Ingalls Industries Inc. (HII), for the detail design and construction of the future USS Tripoli; Fabrication started in July 2013.

June 20, 2014 The keel authentication ceremony for the Tripoli was held at Huntington Ingalls Industries, Ingalls Operations shipyard in Pascagoula, Miss.

July 9, 2016 The future USS Tripoli reached a construction milestone with the successfull installation of a 700 tons deckhouse, three weeks ahead of schedule.

May 1, 2017 The Pre-Commissioning Unit (PCU) Tripoli was launched from a floating dry-dock and moored at Ingalls West Bank Yard East Wharf.

June ?, Capt. Kevin P. Meyers assumed command of the future USS Tripoli.

September 16, PCU Tripoli was christened during a 10 a.m. CDT ceremony at Ingalls Operations shipyard in Pascagoula, Mississippi. Mrs. Lynne Mabus, wife of the 75th U.S. Secretary of the Navy (SECNAV) Raymond E. Mabus, Jr., served as sponsor of the ship.

July 19, LHA 7 moored at Ingalls West Bank Yard East Wharf after a four-day underway for Builder's (Alpha) trials in the Gulf of Mexico; Underway again from Oct. 14-16; Underway for acceptance trials with the INSURV from Oct. 23-25.

February 28, 2020 Huntington Ingalls Industries delivered the PCU Tripoli to the U.S. Navy during a short ceremony on board the ship at Ingalls West Bank Yard East Wharf.

July 15, USS Tripoli was commissioned administratively via naval message, due to public health safety and restrictions of large public gatherings related to the coronavirus pandemic.

July 24, LHA 7 departed Pascagoula, Miss., for the last time en route to San Diego, California; Moored at Pier C in Naval Station Guantanamo Bay, Cuba, to refuel on Aug. 3; Moved to Bravo Wharf for a brief stop to onload supplies before underway on Aug. 4.

August 18, The Tripoli anchored approximately 27 n.m. southeast of Montevideo, Uruguay, for a three-day stop to refuel; Anchored approximately 1 n.m. off the coast of Punta Arenas, Chile, for an overnight stop on Aug. 29; Transited the Strait of Magellan on Aug. 30; Anchored off Talcahuano, Chile, from Sept. 2-5.

September 18, USS Tripoli moored at Berth 5, Pier 13 in its homeport of Naval Base San Diego for the first time.

April 9, 2021 USS Tripoli moored at Berth 6, Pier 13 on Naval Base San Diego after a four-day underway for sea trials, following a six-month Phased Maintenance Availability (PMA); Underway for flight deck certification from April 28- May 5; Underway again on May 12.

May 16, The Tripoli conducted its first ever replenishment-at-sea, with the USNS Henry J. Kaiser (T-AO 187), while underway off the coast of southern California; Returned home on May 20; Underway again from May 26-27; Moored at Bravo Pier, NAS North Island for a brief stop to onload ammo before underway on June 16.

June 24, USS Tripoli moored at Berth 6, Pier 13 on Naval Base San Diego; Underway again from July 6-9; Underway in support of Career Orientation Training for Midshipmen (CORTRAMID) program from July 21-22; Underway for Combat Systems Ships Qualification Trials (CSSQT) and deck landing qualifications from Aug. 2-11; Underway for Final Contract Trials (FCT) with the INSURV from Aug. 25-26.

August 30, USS Tripoli moored at Deperming Pier on Naval Base Point Loma for magnetic treatment (DEPERM); Brief underway for degaussing run before moored again at Deperming Pier on Sept. 9; Underway for degaussing runs again on Sept. 10.

September 11, USS Tripoli moored at Pier 30/32 in San Francisco, Calif., for a four-day port visit to participate in Defense Support of Civil Authorities (DSCA) exercise, as part of Fleet Week 2021; Returned home on Sept. 16.

January 10, 2022 The Tripoli moored at Navy Fuel Farm (NFF) on Naval Base Point Loma for a brief stop to refuel before underway for deck landing qualifications, following a Continuous Maintenance Availability (CMAV); Moored at Berth 6, Pier 13 on Jan. 14; Underway for Developmental Test with F-35B Lightning II aircraft, assigned to the Marine Operational Test and Evaluation Squadron (VMX) 1, from Jan. 18-21.

January 31, USS Tripoli departed homeport for routine training in the SOCAL Op. Area; Brief stop at NFF to refuel before moored at Berth 5, Pier 13 on Feb. 4; Underway again from Feb. 14-18 and Feb. 22; Anchored at A-172 for a brief stop before returned home on Feb. 25.

March 30, USS Tripoli departed Naval Base San Diego for Lightning Carrier Proof of Concept Demonstration with the VMX-1, VMFA-211 and VMFA-225; Moored at Berth M/N, NAS North Island for a brief stop on April 7; Returned home on April 18.

May 2, USS Tripoli departed San Diego for a surge deployment in the U.S. 7th Fleet Area of Responsibility (AoR); Anchored off Camp Pendleton for a day-long stop to onload ammo on May 2, 3, 4 and 5th.

May 19, LHA 7 conducted a replenishment-at-sea with the USNS Amelia Earhart (T-AKE 6), while underway off the south coast of Japan; Moored at General Purpose Wharf on Marine Corps Air Station (MCAS) Iwakuni in Iwakuni, Yamaguchi Prefecture, from May 20-22.