Numerous US. Government documents exist which indicate that these objects are real and have been involved with observing Earth for several decades.
Steven M. GreerBack in the early 1960s, when I was eight or nine. Some neighborhood boys and I saw a disc-shaped, windowless object that hovered, silent, then simply vanished. My parents said, "That's very nice" and ignored it, but I knew what I'd seen, and it was life-changing.
Steven M. GreerThere are numerous daytime and night time photographs and videotapes of clearly non-human spacecraft from all over the world; these films and videotapes have been evaluated and deemed authentic by competent experts in optical physics and related fields.
Steven M. Greer