8/22/2012 - Civil engineer workers Dusty Hawkins and Phil Winkels check the conductivity of the grounding bars for the new "giant voice" communications system being installed on base. (U.S. Air Force Photo/Shannon McKay)

8/22/2012 - Civil engineer workers Dusty Hawkins and Phil Winkels work to install the grounding bars for the new "giant voice" communications system on base before a rainstorm. (U.S. Air Force Photo/Shannon McKay)