In this U.S. Army file photo, Stan Barney 
Capt. Jennifer Noetzel, chief of the Fort Drum Hearing Program, Preventive Medicine Department, fits an in-the ear TCAPS system for Pfc. Mark Epling, a member of 1st Battalion, 87th Infantry Regiment, 1st Brigade Combat Team, during hearing equipment testing at Fort Benning, Georgia, in December 2012. (Photo Credit: Stan Barney)