Documented sightings reported in 1973.
A US Army helicopter was pulled upward 2,100 feet by an unknown force while a cigar-shaped object bathed it in a green beam, confirmed by ground witnesses.
Two fishermen reported abduction by robotic beings; a secret sheriff's recording captured their genuine terror when they believed they were alone.
Three NASA astronauts aboard Skylab 3 observed and photographed a bright red rotating object from orbit for over 10 minutes, with NORAD unable to identify any known object in the vicinity.