Sgt. Justin Dobratz, a psychological operations specialist for the 13th Psychological Operations Battalion, 2nd Psychological Operations Group, U.S. Army Civil Affairs and Psychological Operations Command (Airborne), plays music on a next generation loudspeaker system during equipment familiarization July 16, 2021, at Fort McCoy, Wis. The NGLS is an audio system that is modular and easily moved from location to location.