A maintainer from the 35th Aircraft Maintenance Unit waits for simulated medical treatment during a F-16 Fighting Falcon hydrazine leak training scenario at Kunsan Air Base, Republic of Korea, Nov. 4, 2021. Hydrazine, considered a hazardous material, can cause serious bodily harm if exposed. Upon exposure, personnel are ordered to maintain a 50-foot distance from the scene. (U.S. Air Force photo by Staff Sgt. Mya M. Crosby)