U.S. Air Force Senior Airman Mason Walch, left, 100th Air Refueling Wing civil law paralegal, shakes hands with Col. Steven Byrum, 100th ARW commander, at RAF Mildenhall, England, Feb. 23, 2026. Byrum thanked Walch and presented him with a challenge coin. (U.S. Air Force photo by Airman 1st Class