181028-Z-OL842-1004
U.S. Air Force Tech. Sgt. Nathan Belanger, a radio frequency transmission systems supervisor with the 148th Air Support Operations Squadron, Pennsylvania Air National Guard, holds up a whip antenna while Staff Sgt. Chloe Rangel, an RF transmission systems supervisor with the 148th ASOS, stakes down the support wires, Oct. 28, 2018, in Annville, Pennsylvania. Airmen from the 148th ASOS used their high frequency radio capabilities to compete in Exercise Noble Skywave 2018, an international radio competition held by the Canadian Forces Joint Signals Regiment. (U.S. Air National Guard photo by Staff Sgt. Tony Harp)