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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.