Over 7,000 people witnessed the enormous UFOs that flew over New York's Hudson Valley from 1982 to 1983.
The sheer number of eyewitnesses was staggering, the consistency of testimonies was amazing.

UFO over Lake Cote, Arenal, Costa Rica. On September 4, 1971, a Costa Rican government survey aircraft flying over Lake Coté as part of a grid survey of the entire region snapped a photo that has been lauded as one of the best pieces of evidence of the existence of alien spacecraft ever documented.

In 1968 the crew of an American patrol boat that reported two glowing circular craft following them in the demilitarized zone that separated North and South Vietnam.

July 13th 2013 (From the Independent-UK)

Airbus pilot reveals near-miss with UFO over Berkshire countryside

They told us a long time ago...