The US Navy’s Nimitz-class aircraft carrier USS Carl Vinson (CVN 70) has concluded its six-month long planned incremental availability (PIA).

The nuclear-powered supercarrier has also carried out sea trials, which started on 4 December.

The successful completion of PIA at Naval Air Station North Island comes four days ahead of schedule.

This has saved around $4m from the fiscal funds of the US Navy. It will further allow the warship to return to operations early.

The PIA work on CVN 70 was a collaborative effort performed by Puget Sound Naval Shipyard, Southwest Regional Maintenance Center and the vessel’s crew members.

USS Carl Vinson chief engineer commander David Tirey said: “This PIA was a much-needed maintenance period to repair critical equipment onboard and install new systems and upgrades to our current configuration after a rigorous Western Pacific deployment.”

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The maintenance work on this Nimitz-class aircraft carrier began in June.

Throughout the PIA period, Carl Vinson’s systems and equipment received upgrades and repairs to improve the ship’s capabilities and increase the lifecycle.

The evaluation and upliftment work covered all the major areas of the aircraft carrier, including the flight deck, communications and navigation systems, habitability spaces, weapon systems, radars as well as information systems.

The critical upgrade has further prepared USS Carl Vinson to undertake its future deployments.

Tirey added: “Coming out of PIA, Vinson is required to complete a series of inspections, certifications, and training events that will prepare us for the next deployment.

“We are looking forward to becoming operational again, taking the ship out to sea and coming together as a diverse team with a common mission and purpose, demonstrating our readiness to deploy globally and counter any threat.”