May 22, 2016, as outlined in MUFON case 76537, in which an Illinois based witness had been commuting between locations near Spring Grove in McHenry County, Illinois. The event occurred at approximately 9:30 PM local time. The observer reported seeing a large, triangular aircraft “at an estimated height of 200 feet above ground,” which the witness was able to drive close enough to nearly pass directly under it. The driver turned around and returned to the location, and over the course of one minute the aircraft began to execute an apparent banking turn, in which it angled one of its...