Michigan 1966 sightings

Record summary

What happened Residents, police officers and students in southern Michigan reported moving lights and, in some accounts, low objects during a concentrated series of nights. At Dexter, witnesses followed lights toward marshy ground; at Hillsdale, college students and staff watched lights near a wet area. Project Blue Book consultant J. Allen Hynek suggested that burning marsh gas could explain the low, flickering lights, while acknowledging it did not necessarily account for every report. The phrase “swamp gas” became politically and culturally notorious because it appeared dismissive of a larger wave containing diverse observations. Evidence Multiple civilian and police witnesses, college logs and interviews, press coverage and an official Blue Book investigation. Explanations considered Marsh gas, bright stars, aircraft, vehicle lights and report contagion likely explain portions of the wave. Treating all reports as one phenomenon overstates both the mystery and the explanatory reach of swamp gas. What remains uncertain The case combines reports with different times, distances and descriptions. No continuous radar or photographic record links them into one event. Primary source Michigan ‘swamp gas’ UFO reports — Wikipedia Further source trail Project Blue Book records — https://www.archives.gov/research/military/air-force/ufos