Chilean Air Force members install a hydrazine tank to a servicing stand during a U.S. Air Force hydrazine Mobile Training Team hands-on instruction at Los Condores Air Base, Chile, Nov. 8, 2018. The hydrazine MTT instructed and observed the Chilean Airmen as they prepared unserviceable tanks for depo, replaced parts on tanks and refueled tanks. (U.S. Air Force photo by Tech. Sgt. Angela Ruiz)