Senior Airman Justin Dufreche and Airman 1st Class Cameron Harris, both 159th Maintenance Squadron crew chiefs, Louisiana Air National Guard, pull two straps together to fasten down an F-15 Eagle during Red Flag 15-3 at Nellis Air Force Base, Nev., July 14, 2015. Red Flag provides a series of intense air-to-air scenarios for aircrew and ground personnel to increase their combat readiness and effectiveness for future real-world operations. (U.S. Air Force photo by Airman 1st Class Jake Carter)