"This corridor along here has been set aside as restricted airspace."

If a truck was seen in the hills around the base, it would be checked out, as were airplanes flying near the base's restricted airspace.

Areas near actual combat or other military emergencies are generally designated as restricted airspace.

Where else can you find restricted airspace in the United States?

If you cross restricted airspace, you will be fired upon.

They performed a radar-intercept training mission over the Atlantic in restricted military airspace on their way up.

We can't get any closer because it's restricted airspace.

By 8:20 p.m., she said, the pilot was flying south and had left the restricted airspace.

The plane was flown up the East River, past the 59th bridge, into restricted airspace.

The new rules raise the ceiling of that restricted airspace to 12,500 feet, from 7,000 feet.