Previously Held AFSC/MOS 42231-Apprentice Mechanical Accessories and Equipment Repairman
42251-Mechanical Accessories and Equipment Repairman
42351-Aircraft Environmental Systems Repairman
42371-Aircraft Environmental Systems Repair Technician
Operation Silk Purse program provided four EC-135H command post aircraft to the Commander in Chief, U.S. European Command (USCINCEUR), which were based at RAF Mildenhall in the United Kingdom. All four aircraft were subsequently retired.