E1-3 In lat 日of 60 sh aring 360a acific Ocea d their th of Pearl In the Japar Amer aii. The Pearl Harbor,1941Pearl Harbor Attacked • In late November 1941, a Japanese armada of 60 ships, with a core of 6 aircraft carriers bearing 360 airplanes, crossed 3,000 miles of the Pacific Ocean observing strict radio silence, reached their planned launching point 275 miles north of Pearl Harbor. • In the early morning of December 7, 1941, Japanese planes attacked the unsuspecting American naval base at Pearl Harbor, Hawaii