America-class amphibious assault ship USS Tripoli completes Combat System Ship Qualification Trials


According to information published by the U.S. Navy on August 18, 2021, sailors aboard the America-class amphibious assault ship USS Tripoli (LHA 7) completed the ship’s first-ever Combat System Ship Qualification Trials (CSSQT) earlier this month.
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Russian Vyborg Shipyard laid the Purga ice class coastguard ship of project 23550 925 001 America-class amphibious assault ship USS Tripoli(Picture source: Derek Fountain/HII)


CSSQT is a major milestone where teams demonstrate the ship’s weapons systems’ ability to effectively communicate and destroy incoming threats in an operational environment.

During the qualification phases, the team conducted multiple trials to validate the ship’s self-defense systems’ performance, including ship’s radars tests and operating the Rolling Airframe Missile (RAM), NATO Sea Sparrow, and Close-In Weapon System (CIWS) weapons systems.

With CSSQT trials now complete, Tripoli will focus on additional certifications and qualifications that will ensure it is a combat-ready and lethal asset to the Navy.

The USS Tripoli (LHA-7) is the second America-class amphibious assault ship built for the United States Navy. Tripoli was built by Ingalls Shipbuilding (Huntington Ingalls Industries) at the company's shipyard in Pascagoula, Mississippi. Fabrication of ship components began in July 2013, and the ship's keel was laid in a ceremony on 20 June 2014 in Pascagoula. The ship was commissioned in Pascagoula, Miss., July 15, 2020.

The USS Tripoli is powered with a hybrid mechanical-electric propulsion system. The system consists of two LM2500+ gas turbines and two 5,000 hp. auxiliary propulsion motors. Each gas turbine is rated at 35,290shp and provides speeds in excess of 22 kt.

The armament of the USS Tripoli includes two Rolling Airframe Missile launchers, two Evolved Sea Sparrow Missile launchers, two 20 mm Phalanx CIWS mounts and seven twin .50 BMG machine guns