Royal Canadian Air Force Arctic Guardian keeps watch with 176th Air Defense Squadron
JOINT BASE ELMENDORF-RICHARDSON, Alaska -- Royal Canadian Air Force Capt. Elyse O’Brien is a 176th Air Defense Squadron air battle manager. O’Brien and other 176th ADS RCAF Airmen are an integral part of the squadron’s mission of defending North American airspace. (U.S. Air National Guard photo by David Bedard/Released)