U.S. Soldiers with the 1194th Engineer Company take cover from the rotor wash of an Ohio Army National Guard CH-47 Chinook helicopter during the unit's casualty evacuation training June 19, 2018, at the Camp Grayling Joint Maneuver Training Center in Grayling, Michigan.
The Soldiers responded to real-life scenarios as part of their annual training requirements for the Ohio Army National Guard. (Ohio Army National Guard photo by Sgt. Andrew Kuhn) Original public domain image from Flickr