A Sailor takes sample of aqueous film-forming foam during a flight deck wash on the flight deck of the aircraft carrier USS Nimitz (CVN 68) in the Pacific Ocean, June 22, 2024. Nimitz is underway conducting routine operations after completing a six-month planned incremental availability maintenance period at Puget Sound Naval Shipyard in Bremerton, Washington. (U.S. Navy photo by Mass Communication Specialist 3rd Class Timothy Meyer)