A 48th Fighter Wing flight crew member has his boots scrubbed as part of the decontamination process during an exercise at Royal Air Force Lakenheath, England, Aug. 23. Aircrew flight equipment technicians from every U.S. Air Forces in Europe base participated in the Chemical Defense Mobility Exercise to train on new procedures used to decontaminate aircrew. (U.S. Air Force photo/ Airman 1st Class Abby L. Finkel)