I don't think they ARE "E.T.'s"...
I think they have always been here. They didn't 'come' from anywhere, but rather they are 'based' in our oceans or possibly the dark side of the moon.
As early as men could scrape on cave walls, he pictoralized 'agents in the Heavens', and we see them still today, maintaining similiar forms across time and the world itself.
I don't believe they are "extra-terresterial", no more than we are. Men fly in the Heavens now, and have put feet to the Moon. I just know that 'I' have seen, with mine own eyes, 'things' flying in the night's skies, that did feats & manuvers beyond that of 'humanly' piloted vehicle capability.
I saw 2 objects come together and make a 4X bigger object, than either of the single units, and then seperated again, to go opposite ways. To MY knowledge, 'we' don't have anything that does that...do we?
Yes But can you say with any certainty that what you saw is objects from another world. I have seen satelites in the night sky (or it's the only thing that made any sense) just tracking right along. Now even though I believe in the concept of life elsewhere I also have to consider they would have to have pretty fantastic tech to be even make it to earth.