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U.S. Air Force Reserve Lt. Col. Dan Collister, evaluator pilot, 327th Airlift Squadron, prepares to focus a pair of night vision goggles (NVG) in a Hoffman ANV 20/20 test system April 1, 2017, at Little Rock Air Force Base, Ark. Before flying operations, aircrews must pre-focus and adjust their NVG objective lenses at optical infinity before boarding the aircraft. (U.S. Air Force photo by Master Sgt. Jeff Walston/Released)


April UTA happenings

U.S. Air Force Reserve Lt. Col. Dan Collister, evaluator pilot, 327th Airlift Squadron, prepares to focus a pair of night vision goggles (NVG) in a Hoffman ANV 20/20 test system April 1, 2017, at Little Rock Air Force Base, Ark. Before flying operations, aircrews must pre-focus and adjust their NVG objective lenses at optical infinity before boarding the aircraft. (U.S. Air Force photo by Master Sgt. Jeff Walston/Released)

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