Senior Airman Blake Hiemel and Airman 1st Class Demarcus

Senior Airman Blake Hiemel and Airman 1st Class Demarcus Surgers, 52nd Combat Communications Squadron radio frequency transmissions systems technicians, work together to secure the base of a ground multiband terminal during Vigilant Shield 15, Oct. 15, 2014, at 5 Wing Goose Bay, Newfoundland and Labrador, Canada. The mission of the 52nd CBCS is to provide communications infrastructure to the organizations participating in the field training portion of Vigilant Shield. The Vigilant Shield field training exercise is a bi-national NORAD Command exercise which provides realistic training and practice for American and Canadian forces in support of respective national strategy for North America’s defense. NORAD ensures U.S. and Canadian air sovereignty through a network of alert fighters, tankers, airborne early warning aircraft and ground based air defense assets cued by interagency and defense surveillance radars. (U.S. Air Force photo by Staff Sgt. Matthew B. Fredericks)