Health & Fitness
'Great Michigan UFO Chase' Gets an After Life on Science Channel
Some longtime southeast Michigan residents may recall the frenzy of a full-on UFO alert 50 years ago.

A military expert explained away the strange sightings reported by about 100 southeast Michiganders who thought theyβd seen UFOs in 1966, saying it was swamp gas β the methane gas created by decomposing vegetative matter in marshy areas. (Photo via Creative Commons)
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After more than half a century of trying to convince people to believe their own eyes and close their ears to skeptics, local ufologist β thatβs a person who studies phenomena related to unidentified flying objects β Henry Willnus says heβs accustomed to being waved away as a kook.
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A retired social studies teacher living in Salem, Willnus also is the former president of the Mutual UFO Network (MUFON), the worldβs largest investigative body looking into the UFO phenomena.
So he claims some standing when asked the cliched β but in Willnusβ view, the βNo. 1β β question:
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βAre we alone?β
Unequivocally, no, says Willnus, who claims that 200 UFO sightings a day are reported βaround the world and in every country around the world.β
βThereβs pictures, photos and movies,β Willnus told the Observer & Eccentric. βItβs not a hoax when these crafts can disappear before our eyes. Or fly at over 1,000 miles an hour and make a right angle turn β or, stop on a dime.β
βCosmic Watergateβ
Willnus, who didnβt give his age, said he wants to settle this whole matter of UFOs once and for all, before his last day on Earth.
βIβm getting up there and I want this story to break before I pass,β he said. βSome people in the U.S. government are aware we are being visited. This is a cosmic Watergate where there is a cover-up keeping this from people.β
So its a big deal to Willnus that the Science Channel invited him to discuss the UFO phenomenon on a couple of upcoming episodes of its βClose Encountersβ program, now in its second season.
The first guest appearance, at 10 p.m. Tuesday, March 10, falls during the anniversary month of of southeast Michiganβs famous 1966 brush with other-worldliness in Dexter. Willnus will also be on the program three weeks later, at 10 p.m. on Tuesday, March 31, to talk about a reported September 1965 UFO sighting in Exeter, NH.
Motorized Posse Chased UFOs
The UFO kerfuffle nearly half a century ago in Dexter included more than 100 reports, sightings over several days, and a motorized posse of a dozen Washtenaw County deputies who chased but couldnβt catch a flying object witnesses said traveled at a high rate of speed and turned from blue-green to brilliant red to yellow.
Tell Us:
- Do you remember the βGreat Michigan UFO Chase of 1966β? Can UFOs be explained in some what that doesnβt include extraterrestrial beings?
In case youβre doubting this out-of-this-world chapter in southeast Michiganβs history, others back Willnus up β to a point.
According to an account called βThe Great Michigan UFO Chase of 1966,β an unidentified aircraft reportedly maneuvered around Washtenaw County for about four hours on March 14, 1966, buzzing the University of Michigan campus in Ann Arbor, a nearby airport and a local swamp.
Three days later, the deputies embarked on their unsuccessful quest to chase down whatever it was that was setting southeast Michigandersβ nerves on edge. Some people described the object as football shaped, while others said it looked like a pyramid. Frank Mannoβs wife was reportedly scared and eager to move from their farm on McGuinness Road after seeing what she thought was a UFO.
Full of Swamp Gas?
And some people β notably, Air Force astronomer and UFO expert Dr. J. Allen Hynek, who studied the phenomenon as part of the governmentβs two-decade-long Project Blue Book β said those who thought they saw flying saucers were, in a manner of speaking, full of swamp gas.
Also called marsh gas, itβs the methane produced in the decomposition of vegetation in peat swamps and bogs. The odorless gas creates small popping explosions that Hynek said may account for some residentsβ reports of sounds similar to a ricocheting bullet or high-frequency ambulance siren.
When ignited, it does look like something out of this world.
βThe flames go out in one place and suddenly appear in another, giving the illusion of motion,β Hynek said at the time. βThe colors are sometimes yellow, sometimes red and blue-green.
βIt seems likely that as the present spring thaws came, the gases methane, hydrogen sulfide and phosphine β resulting from decomposition of organic materials β were released.β
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A professor from Adrian College at the time said the dancing lights may have been the result of another natural phenomenon: the aurora borealis sometimes visible in the southeast Michigan skies.
Frank Manno wasnβt convinced.
He said he βgot within 500 yards of that thingβ when it whirred over his farm, according to an account on the UFO Case Book website. He described the object as pyramid-shaped, with βa light here, and a light there, and what looked like a porthole.β
βIt wasnβt like the pictures of a flying saucer and it had a coral-like surface,β he said. βIβve trapped every hole in this county and Iβve never seen anything like it.β
And it wasnβt swamp gas, either, a commercial pilot who claimed to know a thing or two about swamp gas said.
Van Horn of Hillsdale grew up in the swamp area where many of the sightings were reported. He said the Air Force didnβt take the investigation seriously. βA lot of good people are being ridiculed,β he said.
The UFO Case Book account also takes a swipe at the government, calling the Air Force investigation βa whirlwind probe that lasted two hours and 45 minutes.β
Student Prank?
Sightings continued throughout the month in the localized area of Washtenaw, Macomb and Oakland counties, but also as far away as Marquette and Frankfort, where a reported UFO turned out to be a marine flare.
It was quite a chapter in southeast Michiganβs history. Carloads of students from the University of Michigan and Eastern Michigan University were caught up in the craze, turning out by the carloads for UFO sighting outings.
That fueled some speculation it was a prank perpetrated on the locals by the college students, but Mannon said they couldnβt have pulled off such an elaborate hoax without being detected.
Other sightings were also debunked. In Ypsilanti, for example, a reported UFO was actually a dry cleaning bag, to which a plastic cross holding several candles had been attached.
The commotion eventually died down, and the government abandoned its Project Blue Book investigation in 1969 after determining UFOs werenβt a threat to national security.
That doesnβt sit well with Willnus.
βThe best thing that could happen,β he said, βis if governments, including the United States, would come out and say, βThe UFO phenomenon is real and donβt panic, because they donβt appear to be here to harm us.β β
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