Hydrazine response exercise
Staff Sgt. Brian Hart (front), 9th Maintenance Squadron aircraft fuels systems technician, performs inspections on a U-2 Dragon Lady with Senior Airman James Everson, 9th Maintenance Squadron aircraft fuels systems technician, Oct. 11, 2013, at Beale Air Force Base, Calif. The hazardous materials suits protect the Airmen from exposure to hydrazine. (U.S. Air Force photo by Airman 1st Class Bobby Cummings/Released)