Kengin performs maintenance
Senior Airman Philip Kengin, 35th Communications Squadron radio frequency transmission systems technician, performs a maintenance check on a timing system Jan. 31, 2015, at Misawa Air Base, Japan. Part of Kengin’s duties include maintaining the “Giant Voice,” also known as the Ultra Voice System, and ensuring it is tuned and calibrated so that any messages, alerts, or warnings can be sent out to the base. (U.S. Air Force photo by Staff Sgt. Derek VanHorn)
PHOTO BY:
Staff Sgt. Derek VanHorn
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