UFOs Declassified

UFO sightings over nuclear facilities trigger high alert responses - are they top-secret aircraft or something from another world?

Anti-aircraft guns blast the skies over Los Angeles when an unknown flying object is spotted by thousands in 1942 - is it from earth or could it be extra-terrestrial?

True stories of fighter pilot encounters with unidentified flying objects in our skies – including pilots who were ordered to ‘shoot ‘em down’.