Master-at-Arms 1st Class Steven Richards of Camp Lejeune, N.C., excites Jack President, a Military Working Dog (MWD) assigned to Commander Fleet Activities Yokosuka, prior to unleashing during a bite exercise.

Yokosuka, Japan (Dec. 01, 2004) Master-at-Arms 1st Class Steven Richards of Camp Lejeune, N.C., excites Jack President, a Military Working Dog (MWD) assigned to Commander Fleet Activities Yokosuka, prior to unleashing during a bite exercise. While each MWD is trained for patrol work, some specialize in specific tasking which may include explosion or drug location. U.S. Navy photo by Photographers Mate 3rd Class Jason T. Poplin File# 041201-N-5821P-011