U.S. Marines with Marine Air Support Squadron 2 conduct New Equipment Training with Phase II of the Common Aviation Command and Control System while aboard Marine Corps Air Station Futenma, Okinawa, Japan, Sept. 19, 2019. MASS-2's new AC2S is the next step in modernizing the unit's equipment and improving interoperability among Marine Air Command and Control squadrons, MAGTF assets, and joint agencies. (U.S. Marine Corps photo by Lance Cpl. Ethan M. LeBlanc)