The US Navy has awarded HII Ingalls Shipbuilding a contract to develop the combat systems availability (CSA) for the third and final Zumwalt-class destroyer.

The  $41.6 million contract covers the installation, activation, and testing of the CSA on the USS Lyndon B. Johnson (DDG-1002) to “ensure a fully functional system is ready to operate in the Navy fleet, as part of the Navy’s phased delivery approach.”

It includes related services provided by Ingalls, including labor, materials, program management, and facilities to support the completion of the vessel’s combat system.

The CSA development and associated work will be conducted at the firm’s facility in Pascagoula, Mississippi, and is expected to be completed by October 2023.

“HII is excited to support our navy colleagues in bringing this new capability to the fleet,” HII Ingalls Shipbuilding president Kari Wilkinson said.

“As a dedicated partner in the construction and system activation of navy destroyers, Ingalls is eager to leverage our shipbuilders’ expertise and modernized facilities in supporting the navy’s future generation systems and platforms.”

The USS Lyndon B. Johnson

The USS Lyndon B. Johnson destroyer was commissioned in October 2019. It was named after the 36th US president and is the first US Navy ship to bear his name.

The vessel measures 600 feet (183 meters) in length and has a beam of 81 feet (25 meters). Its displacement is 14,500 tons and has a maximum speed of 30 knots (35 miles/56 kilometers per hour).

It is powered by two Rolls Royce Marine Treant-30 turbines, two auxiliary turbine generators, and two advanced induction motors.

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The vessel’s flight deck can carry two Sikorsky SH-60 Seahawk LAMPS III helicopters, a single Sikorsky MH-60R Seahawk, or three Northrop Grumman MQ-8 Fire Scout unmanned helicopters.

It is armed with Evolved Sea Sparrow missile launchers, Tomahawk cruise missile vertical launchers, advanced cannons, close-in weapon systems, and other standard surface-to-surface missiles.