What is a UFO?

What is a UFO? The US shot down three mysterious objects as interest and concern increase over unidentified craft . By: Wendy Whitman Cobb
Professor of Strategy and Security Studies, Air University
Disclosure statement
Wendy N. Whitman Cobb is affiliated with the US Air Force School of Advanced Air and Space Studies. Her views are her own and do not necessarily reflect the views of the Department of Defense or any of its components.