A 10th Sustainment Brigade soldier listens on as Staff Sgt. Rouven Sefcik, a non commissioned officer in charge of combat stress with the 455th Expeditionary Medical Operation Squadron explains the function of the playaway listening device on Aug. 7, 2012 at Bagram Air Field. Sefcik is a big advocate of the listening device, which can help soldiers to relax in the battlefield.