Analysis of information sources in references of the Wikipedia article "North American Aerospace Defense Command" in German language version.
„To accomplish the aerospace control mission, NORAD uses a network of satellites, ground-based radar, airborne radar and fighters.“
„To accomplish the aerospace control mission, NORAD uses a network of satellites, ground-based radar, airborne radar and fighters.“
„To accomplish the aerospace control mission, NORAD uses a network of satellites, ground-based radar, airborne radar and fighters.“