In general, airspace is mixed-use by default. Certain restrictions apply to military corridors and takeoff and landing paths around major airports, but broadly, the skies above the U.S. are open. But ...

This is a series of articles, written with contributor Simone Bovi, about military and civilian airspace violations ... between countries and various types of diplomatic reactions.

However, this explosion in wireless technology has also introduced significant vulnerabilities, making wireless airspace defense a critical necessity. Organizations must address these challenges to ...

Artist's concept of drones flying in an urban environment near large city skyscrapers.NASA / Maria Werries Remotely piloted aircraft ...