Chad Farmer, 412th Maintenance Squadron aircraft fuels systems trainer and lead, trains Joint Base Lewis-McChord, Wash., fire department personnel as part of initial training on how they should approach an aircraft during an initial hydrazine response, recovery and isolation incident. Farmer is just one of 20 Edwards AFB personnel temporarily assigned to JBLM in support of the KC-46 Tanker Program. (U.S. Air Force photo by Jet Fabara)