MARINE CORPS AIR STATION IWAKUNI, Japan (Oct. 25, 2020) A medical provider with Naval Family Branch Health Clinic Iwakuni checks the vitals of a simulated casualty during Exercise Active Shield at Marine Corps Air Station (MCAS) Iwakuni, Japan, Oct. 28, 2020. Active Shield is an annual bilateral exercise partnering U.S. and Japanese forces for the protection and defense of MCAS Iwakuni and other assets in the region in order to sustain military operations in support of the U.S.-Japan Alliance. (U.S. Marine Corps photo by Lance Cpl. Mitchell Austin)