Red Flag
Airmen from the 31st Fighter Wing load supplies on a C-17 Globemaster III before its departure from Aviano Air Base, Italy, in support of Exercise Red Flag, June, 10, 2014. Red Flag is conducted at Nellis Air Force Base, Nev., and was established in 1975 as an initiative to prepare forces in combined air, ground, space and electronic threat environments. (U.S Air Force photo/Airman 1st Class Deana Heitzman)