LA Spends 1,440 Shells Defeating Completely Empty Sky

At 2:25 a.m. on February 25, 1942 — less than three months after Pearl Harbor — air raid sirens sounded across Los Angeles County. A total blackout was ordered. At 3:16 a.m., the 37th Coast Artillery Brigade opened fire with .50-caliber machine guns and anti-aircraft shells.…

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