Chilean Air Force members and a U.S. Air Force Airman wear chemical suites to switch hydrazine drums for a hydrazine servicing stand at Los Condores Air Base, Chile, during a hydrazine Mobile Training Team hands-on instruction Nov. 8, 2018. Personnel protective equipment must be worn when working closely with hydrazine tanks to prevent injury in the event of a hydrazine spill. Hydrazine is extremely flammable, combustible and cancerous. (U.S. Air Force photo by Tech. Sgt. Angela Ruiz)