Hmm... it depends on what you see and where you see them. I would say that most are either military spy planes,such as the mysterious Auroa-craft, or clever manipulations, broadcast by HAARP or some of the former-Soviet HAARP station (though officially listed as a research-center, there are some doubts on the potential side-effects of using that array). But if one really believes in EBEs, than I say what Art Bell (my favorite 'crazy' radio host) says, "most of the Aliens are already here! (so no need for 'flying saucers!') -Planag Patzy-