Naval Medical Center Camp Lejeune recently hosted the Director for Defense Health Agency, U.S. Army Lieutenant General Ronald Place and Senior Enlisted Leader for the Defense Health Agency, U.S. Army Command Sergeant Major Michael L. Gragg. (Photo by Michelle Cornell, Naval Medical Center Camp Lejeune) WASHINGTON — The Defense Health Agency has cancelled its effort to buy $96 million worth of biometric ring trackers, according to documentation obtained by Breaking Defense. The DHA did not