MISAWA AIR BASE, Japan -- Staff Sgt. James McGrath, 35th Communications Squadron airfield-systems maintenance technician, conducts maintenance on an automatic observation system Aug. 17 on the flightline. The station collects and reports data on weather including temperature, wind speed and direction, atmospheric pressure, precipitation in the form of snow, freezing rain, or regular rain, lightning and thunderstorms. (U.S. Air Force photo/Senior Airman Jamal D. Sutter)