The strange flying objects have been spotted near F.E. Warren Air Force Base in Wyoming, which houses enough nuclear intercontinental ballistic missiles to wipe out several cities. For weeks, mysterious unidentified flying objects over the Eastern Plains region of Colorado have vexed residents, law enforcement, the military, and state and federal officials. Those who see them say they appear in the night sky, often several at a time, their locations marked by the light they emit. Audibly buzzing, they hover and maneuver in precise formations. The mystery of their origin has gripped Colorado, where news of a sighting makes near-daily...