J.J. Green, wtop.com
WASHINGTON - Starting Tuesday evening, the North American Aerospace Defense Command - better known as NORAD - will conduct security exercises.
"Falcon Virgo" will last through Friday morning. During that time you may see and hear loud aircraft, including helicopters and fighter jets.
Flights are scheduled to take place during two different time periods each day: 11:30 p.m. to 1:30 a.m. and 3:30 a.m. to 5:30 a.m.
The exercise is designed to hone NORAD's intercept and identification operations.
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