U.S. Air Force Staff Sgt. Derek Ricks, left, and Senior Airman Josten Lacey, right, 423rd Security Forces Squadron (SFS) patrolmen, conduct a high risk vehicle challenge during a training exercise at RAF Molesworth, England, July 28, 2020. 423rd SFS defenders conduct regular training and exercises to ensure mission readiness. (U.S. Air Force photo by Airman 1st Class Jennifer Zima)