A U.S. Air Force F-15 Eagle from the 173rd Fighter Wing taxis to the ramp by the flag ship F-16 Fighting Faclcon from the 149th Fighter Wing, Texas Air National Guard, following a training mission during Sentry Eagle July 19, 2017 at Kingsley Field in Klamath Falls, Oregon. Sentry Eagle is a four day large force exercise that brings together different aircraft and units from around the country for dissimilar air combat training. (U.S. Air National Guard photo by Tech. Sgt. Jason Van Mourik)