There are more than 3500 military and commercial aircraft pilot reports of encounters worldwide; many cases have corroborating radar documentation and multiple witnesses both on the ground and in the air.

There are more than 100 first- and second- hand witnesses to the retrieval of an extraterrestrial spacecraft and at least four extraterrestrial bodies from a crash which occurred in July, 1947, 75 miles northwest of Roswell, New Mexico; written and videotaped testimony from several first-hand witnesses who are respected military officers have been obtained.

There are more than 4000 landing trace cases from around the world.

Back 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.

There are hundreds of credible reports, many with multiple witnesses, of humanoids in association with landed spacecraft.

The evidence that at least one extraterrestrial civilization has visited Earth is extensive both in scope and detail. In its totality it comprises a body of evidence which at the very least supports the general assessment that extraterrestrial life has been detected, and that a vigorous program of research and serious diplomatic initiatives is warranted.

There are hundreds of electromagnetic cases where spacecraft have been observed by police, military personnel and civilians to affect car engines, radios and other electric devices.