Air raid sirens, 1,400 shells, no enemy - what really happened over LA
13:00
MSNThe Why Files
Air raid sirens, 1,400 shells, no enemy - what really happened over LA
In February 1942, the U.S. military unleashed over 1,400 shells above Los Angeles — chasing something no one could explain. Radar confirmed it. Eyewitnesses saw it. But no enemy aircraft were ever found. What were they firing at?
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