Are These Sightings a Threat?

No one has officially claimed there's any evidence of aliens, extra terrestrials or tiny, green, great gazoo type men. Instead, the focus has seemed to be more practical in terms of threat evaluation. Are these sightings? A threat? If so, a threat by whom? Who are they targeting? These are two very important questions that, at least in the public sphere, have seemed to become the focus of recent investigations. This is a, this has long been ingrained in american consciousness ever since the u f o craze of the 19 forties.