ATLANTIC OCEAN (Oct. 19, 2021) Aviation Structural Mechanic (Equipment) 2nd Class Samira Alvarez, from Killeen, Texas, assigned to the "Rawhides" of Fleet Logistic Support Squadron (VRC) 40, installs oxygen equipment on a C-2A Greyhound in the hangar bay of the Nimitz-class aircraft carrier USS Harry S. Truman (CVN 75). Harry S. Truman is operating in the Atlantic Ocean in support of naval operations to maintain maritime stability and security in order to ensure access, deter aggression and defend U.S., allied and partner interests. (U.S. Navy Photo by Mass Communication Specialist Seaman Apprentice Hunter Day)