The U.S. Coast Guard is informing beachgoers to "remain clear" if they travel crossed a silver-shaped cylinder on the shoreline, arsenic it could beryllium an equipped flare.
Coast Guard Sector Lake Michigan said successful a connection 3 phosphorus pyrotechnic flares were unaccounted for aft a associated subject workout with the Coast Guard and Air Force earlier this period offshore Milwaukee.

Coast Guard Sector Lake Michigan issued a informing for 3 missing phosphorus pyrotechnic flares. (Ninth Coast Guard District)
During the exercise, 4 phosphorus pyrotechnics that were deployed did not activate erstwhile entering the water, according to officials.
One phosphorous pyrotechnic was located connected Montrose Beach, Illinois, by a lifeguard connected May 26.

The Coast Guard is searching for 3 missing devices successful Lake Michigan. (Smith Collection/Gado/Getty Images)
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However, 3 phosphorus pyrotechnics are inactive unaccounted for.
The missing pyrotechnics are inactive considered equipped erstwhile they bash not activate.

A outer representation of Lake Michigan. Several equipped flares are missing aft a Coast Guard workout and beachgoers are being urged to beryllium careful. (Google Earth)
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Phosphorus pyrotechnics nutrient a reddish fume and occurrence that tin scope temperatures of 2,900 degrees Fahrenheit, according to military officials.
Alexandra Koch is simply a breaking quality writer for Fox News Digital. Prior to joining Fox News, Alexandra covered breaking news, crime, religion, and the military successful the southeast.