Portrait of a Professional - SrA Holly Durkin
Senior Airman Holly Durkin, a Cyber Surety Technician for the 129th Communications Flight, Moffett Federal Airfield, Calif., replaces an uninteruptable power supply (UPS) from a network server, August 4, 2010. The UPS serves as back-up power supply for network servers in case of main power loss. (Air National Guard photo by Tech. Sgt. Ray Aquino)

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Photo by: Tech. Sgt. Ray Aquino |  VIRIN: 100804-F-7081A-014.JPG