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Senior Airman Patrick Leach, 100th Maintenance Squadron aircraft fuels system journeyman and Secretary of the Air Force Heather Wilson discuss the confined space trainer, a new innovation developed by the squadron at RAF Mildenhall, England, July 12, 2018. Wilson visited RAF Mildenhall to engage with Airmen from the 100th Air Refueling Wing and discuss innovation and strategy. (U.S. Air Force photo by Airman 1st Class Alexandria Lee)