DEFCONvention - NBC4 Washington




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    An F-16 similar to this one may have caused the boom heard in north Tarrant County.

    North American Aerospace Defense Command jets may be screaming oerhead tonight, but we're still at DEFCON 5.

    NORAD aircraft will practice incerception and identification drills over Washington skies from 3:30 to 5:30 a.m. early on Wednesday.

    Civil Air Patrol aircraft, Air Force F-16s and a Coast Guard HH-65 Dolphin helicopter will all take part.

    Anyone else requesting a flyby may find that the pattern is full.