PREL: the foundation of the maintenance mission
The electrical components of missile alert facility chiller are shown, which the power, refrigeration and electrical laboratory team participating in the 2021 Global Strike Challenge was tasked to repair July 26, 2021 at Malmstrom Air Force Base, Mont. PREL is a facilities maintenance career field, which is a branch of missile maintenance that specializes in electrical and refrigeration troubleshooting and repair. (U.S. Air Force photo by Airman Elijah Van Zandt)

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Photo by: Airman Elijah Van Zandt |  VIRIN: 210726-F-NE362-0018.JPG