U.S. Army Boys at Work

U.S. Army Sgt. Ryan P. Zimmerman, a crew chief assigned to the 45th Medical Company (Air Ambulance) checks the engine hoses of a UH-60A Black Hawk while at Al Taqqadum, Iraq, Aug. 6, 2007.

Equipment checks are done often on UH-60A Black Hawks to ensure that they are ready at any time to take off for a mission. U.S. Marine Corps photo by Sgt. Maryalice Leone

U.S. Army Spc. Bryan J. Lowney, a crew chief assigned to the 45th Medical Company (Air Ambulance) sits atop a UH-60A Black Hawk as he checks the main rotor blades while stopped at Al Taqqadum, Iraq, Aug 6, 2007.