Noble Defender A B-52 Stratofortress, an F-16 Fighting Falcon, and two Royal Canadian air force CF-18 fighter aircraft, fly together over eastern Canada on an air intercept mission during Operation Noble Defender, a North American Air Defense Command arctic air defense operation, Sept. 20, 2020. SHARE: Download: Full Size (1.73 MB) Tags: NORAD, Guard, Air Force, Partnerships, Noble Defender Credit: Air Force Senior Master Sgt. John Rohrer VIRIN: 200920-Z-QD622-6001.JPG Photo Gallery