Sergeant Pelham Felder, Hampton Police Division Homeland Security unit supervisor, uses a radar to detect the speed of a passing vehicle at Langley Air Force Base, Va., Oct. 15, 2015. Felder and other members of the Hampton PD conducted training with the 633rd Security Forces Squadron to certify U.S. Air Force Airmen in basic radar operation. (U.S. Air Force photo by Senior Airman Kayla Newman/Released)