RED FLAG-Alaska 17-3
A U.S. Air Force F-15 Strike Eagle fighter aircraft, assigned to the 391st Fighter Squadron, Mountain Home Air Force Base (AFB), Idaho, prepares to take off during FLAG-Alaska (RF-A) 17-3, July 31, 2017, at Eielson AFB, Alaska. RF-A provides an optimal training environment in the Indo-Asia Pacific Region and focuses on improving ground, space, and cyberspace combat readiness and interoperability for U.S. and international forces. (U.S. Air Force photo by Airman 1st Class Isaac Johnson)