Precision

The Graseby IR System MK-III Radiometer and all the components around it are used to calibrate heat seeking missiles. U.S. Air Force Staff Sgt. Jirayu Wisutapayak, 86th Maintenance Squadron precision measurement equipment laboratory technician, is one of only two active-duty Airmen who is qualified to use this equipment. Sergeant Wisutapayak, originally Thailand, wanted to join the U.S. Air Force to work on the flightline. (U.S. Air Force photo by Staff Sgt. Jocelyn Rich)

PHOTO BY: Staff Sgt. Jocelyn Rich
VIRIN: 090909-F-1342R-032.JPG
FULL SIZE: 1.1 MB
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