Preflight Procedures Air National Guard Staff Sgt. Joseph Pollock assists with preflight checks on an F-15 Eagle aircraft before participating in Red Flag 17-1 at Nellis Air Force Base, Nev., Jan. 21, 2017. Pollock is a crew chief assigned to the Florida Air National Guard’s 125th Fighter Wing. Air National Guard photo by Master Sgt. William J. Buchanan SHARE: Download: Full Size (1.64 MB) Tags: Guard, Air Force, training, Airmen Credit: Master Sgt. William Buchanan VIRIN: 170121-Z-IC953-078A.JPG Photo Gallery