Transcription: Though the Americans knew that an attack was imminent somewhere soon, the installation in Hawaii had not received the latest wartime alert and was still observing peacetime routine on the morning of December 7. Many of the ship and aircraft crews were on leave. At 645, the U.S. destroyer war discovered and sank a Japanese midget submarine near the entrance to Pearl Harbor. Still, no patrols were established. Meanwhile, some 200 aircraft bearing the round red emblem of Japan were racing passing from their aircraft carriers 200 miles north of Hawaii toward the American naval base. At 730, the to ...