MWD's constantly train to sharpen skills
Zzeki, 2nd Security Forces Squadron military working dog, runs the obstacle course on Barksdale Air Force Base, La., April 1. MWDs are trained in many things such as street patrol, maintaining and guarding entry control points, and detection of narcotics and ordnance. Sweeps of buildings, vehicles, warehouses and open fields or areas are conducted as well. (U.S. Air Force photo/Senior Airman Sean Martin)