Daily Mail
It may sound like a Spielberg movie plot, but if senior U.S. airmen are to be believed, this scenario is not science fiction.

They claim that since 1948, aliens have been hovering over UK and U.S. nuclear missile sites and deactivating the weapons– once even landing in a British base.

Furthermore, they warn, our governments are hushing the activity up.

Captain Robert Salas, who, along with six others is to break his silence on the subject, said: ‘We’re talking about unidentified flying objects, as simple as that. ‘They’re often known as UFOs, you could call them that.