What happened
On the evening of 23 November 1953 radar at Calumet Air Force Station on Michigan's Keweenaw Peninsula picked up an unidentified target over Lake Superior, about 30 miles off any expected course. An F-89C Scorpion interceptor, call sign Avenger Red, scrambled from Kinross AFB near Sault Ste. Marie with pilot Felix Moncla, who had 811 flying hours, and radar observer Robert Wilson. Ground controllers vectored the jet for about half an hour, bringing it down to around 7,000 feet as it closed on the target roughly 70 miles off Keweenaw Point. On the Calumet scope the two blips merged into one; then the F-89's return vanished, and the remaining blip moved off and also disappeared. Despite a search by the Air Force, Coast Guard and Royal Canadian Air Force through snow showers and low cloud, no wreckage or bodies were ever found. The first Air Force statement said the jet merged with an object.
The official explanation
The Air Force's revised account said the F-89 completed its intercept, identifying the target as a Royal Canadian Air Force C-47 Dakota flying off course, and then crashed into the lake, probably because Moncla suffered vertigo; the odd radar picture was put down to atmospheric conditions and the missing wreckage to the lake's depth. The Open Skies Project, which researches the former Calumet station, points to known mechanical issues with early F-89s and to many errors in later retellings.
The anomalous case
The Air Force's own first news release, carried by the Chicago Tribune, said radar followed the jet until it merged with an object 70 miles off Keweenaw Point. That statement was quickly withdrawn. Canadian officials reportedly denied that any RCAF flight was in the area that night, undercutting the C-47 identification. According to Donald Keyhoe, two Air Force representatives gave Moncla's widow contradictory accounts, one a low-level crash, the other a high-altitude explosion. History.com reports that NICAP found mention of the mission missing from records, and that ATIC said it had no record of any sighting at Kinross that day, even though the intercept was of an unidentified target. A jet and two men vanished completely while closing on an unknown radar return, and the official story changed within days. Later claims of a wreck found by a 'Great Lakes Dive Company' in 2006 were exposed as baseless.
The strongest argument that this was something genuinely unknown or classified, with each claim attributed to the person who made it.
Documents
- Project BLUE BOOK records (National Archives, microfilm T-1206) official, archives.gov
Sources
- This Air Force Jet Was Scrambled to Intercept a UFO—Then Disappeared (Darryn King) History.com, A&E Television Networks
- 70 Unexplained years since interceptor jet went missing over Lake Superior (Jesse Wiederhold) Visit Keweenaw
Witness reports elsewhere
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