HURLBURT FIELD, Fla. -- Crew chiefs with the 15th Aircraft Maintenance Unit are trained to diagnose malfunctions on the MC-130H Combat Talon II during pre-flight and post-flight inspections, repair and refuel the aircraft, keep detailed records, marshal aircraft and ensure the aircraft are mission ready at all times. Combat Talon IIs provide infiltration, exfiltration and resupply of special operations forces and equipment in hostile or denied territory.