Grand Forks Airmen participate in Red Flag exercise
Senior Airman Steven Hayes, left, 69th Maintenance Squadron crew chief, Capt. Joshua, center, 348th Reconnaissance Squadron DOC, and Capt. Manuel, right, 348th Reconnaissance Squadron standards and evaluations liaison officer, perform a pre-flight check July 28, 2015 at Grand Forks Air Force Base, N.D. Grand Forks AFB was one of several agencies involved in Red Flag 15-3. Red Flag is a three-week training exercise used to prepare Airmen for combat in air, space and cyberspace. (U.S. Air Force photo by Airman 1st Class Ryan Sparks/released)