MacDill aircrews help keep Red Flag going Published July 21, 2016 By Tech. Sgt. David Salanitri Air Force Space Command NELLIS AIR FORCE BASE, Nev. -- Aircrew and ground personnel conduct a pre-flight check at Nellis Air Force Base, Nevada July 18, 2015 during exercise Red Flag. The aircrew went on to refuel several exercise participants. (U.S. Air Force photo/Tech. Sgt. David Salanitri)