North American Aerospace Defense Command (NORAD), a joint U.S. and Canadian command, demonstrated its air defense mission with a real-time example of the high-stakes chain of events when a pilot violates a TFR. North American Aerospace Defense Command (NORAD), a joint U.S. and Canadian command, demonstrated its air defense mission with a real-time example of the high-stakes chain of events when a pilot violates a TFR. North American Aerospace Defense Command (NORAD), a joint U.S. and Canadian command, demonstrated its air defense mission with a real-time example of the high-stakes chain of events when a pilot violates a TFR. North American Aerospace Defense Command (NORAD), a joint U.S. and Canadian command, demonstrated its air defense mission with a real-time example of the high-stakes chain of events when a pilot violates a TFR. North American Aerospace Defense Command (NORAD), a joint U.S. and Canadian command, demonstrated its air defense mission with a real-time example of the high-stakes chain of events when a pilot violates a TFR.