With a helmet full of data collectors and a hearing loss simulator, Army Sgt. Nimrud Velasco of 101st Airborne Division (Air Assault) maneuvers his team toward their next waypoint during audiology research at Fort Campbell. Simulated hearing loss was challenging, but he said his team compensated with hand-and-arm signals. (U.S. Army photo by David Gillespie)
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Last Updated: July 11, 2023