On Aug. 15 the 20th Fighter Wing commander, Col. Clay Hall, announced 17 Airmen 1st Class selected for below-the-zone promotion to the rank of Senior Airman:Jordan Berkebile, U.S. Air Forces CentralEn 'Tuwan Williams, 20 MXGKevin Seney, 20 CPTSCameron Burke, 609 AOC, Det 1Saxon Hanwacker, 20