During the Sentry Eagle exercise, Airmen form the 173rd Fighter Wing weapons shop crouch down as the jet moves past powered by as much at 30-thousand pounds of thrust during aircraft arming operations July 23, 2017 at Kingsley Field in Klamath Falls, Oregon. Of course pilots are very careful not to blast those behind them, but flying dust and hot exhaust fumes are better avoided. (U.S. Air National Guard photo by Tech. Sgt. Jefferson Thompson)