U.S. Marines with Marine Air Support Squadron 2 conduct New Equipment Training with Phase II of the Common Aviation Command and Control System aboard Marine Corps Air Station Futenma, Okinawa, Japan, Sept. 19, 2019. CAC2S modernizes aviation command and control equipment and improves interoperability among Marine Air Command and Control squadrons, Marine Air-Ground Task Force assets and joint agencies. Program Executive Officer Land Systems recently completed fielding all full rate production units of CAC2S. (U.S. Marine Corps photo by Lance Cpl. Ethan M. LeBlanc)