If Only They'd Listened

On December 7, 1941, two Army Air Force radar operators on Oahu reported a blip on their screen, which looked like dozens of planes approaching Pearl Harbor. They reported it to Lt. Kermit Tyler, who had been on the job only two days. Tyler knew a squadron of twelve B-17 Flying Fortresses was due to arrive from San Francisco and land at Hickam Field at 8:00 am. He told the operators, "Don't worry about it." (http://articles.latimes.com/2010/feb/24/local/la-me-kermit-tyler25-2010feb25).

Radar w...