ARABIAN GULF (Oct. 3, 2020) Machinist's Mate 1st Class Tony Clingings, from Coos Bay, Ore., adjusts a valve for an air purification unit aboard the aircraft carrier USS Nimitz (CVN 68). Nimitz, the flagship of Nimitz Carrier Strike Group, is deployed to the U.S. 5th Fleet area of operations, conducting missions in support of OIR, and maritime security operations alongside regional and coalition partners. (U.S. Navy photo by Mass Communication Specialist 3rd Class Elliot Schaudt)