U.S. Soldiers with Vermont Army National Guard attach a sling load to an HH-60M Black Hawk helicopter, supervised by a Department of the Army civilian instructor, right, during the Sling Load Inspectors Certification Course at Camp Johnson in Colchester, Vt., May 3, 2013. The HH-60M Black Hawk helicopter is assigned to Charlie Company, 3rd Battalion, 126th Aviation Regiment (Air Ambulance). (U.S. Army National Guard photo by 1st Lt. Jeffrey Rivard/Released)