Author Preston Dennett and experiencer Dolly Safran share some insight into the new book, "Symmetry: A True UFO Adventure," based on Dolly's true encounters.

Helicopters and UFOs

Did you know there have been over 30,000 reported cases of UFOs in the Hudson Valley, NY? What happens to people when they have very close encounters and missing time? Join Linda Zimmermann and Michael Worden for UFO Headquarters. They dig into some of the most intense and unnerving UFO sightings that happened right here in our backyard.