A NATO E-3A Airborne Warning and Control System, or AWACS, assigned to the NATO Early Warning and Control Force at Geilenkirchen NATO Air Base, Germany, takes flight during Red Flag 21-2 at Nellis Air Force Base, Nev., March 12, 2021. The E-3A AWACS aircraft is an aircraft with integrated command and control battle management, surveillance, target detection and tracking platform. (U.S. Air Force photo by William R. Lewis)