A grounding rod helps supply energy to radar systems during the 726th Air Control Squadron Hardrock Exercise 19-2 July 16, 2019, at Mountain Home Air Force Base, Idaho. These grounding-rods help to circulate power from generators to radar and communication equipment. (U.S. Air Force photo by Senior Airman Tyrell Hall)

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Photo by: Senior Airman Tyrell Hall |  VIRIN: 190716-F-AE594-002.JPG