The document summarizes the attack on Pearl Harbor on December 7, 1941. It describes how Japan launched a surprise attack with 360 aircraft against the U.S. Pacific fleet at Pearl Harbor, destroying or damaging numerous battleships and aircraft. The attack killed over 2,300 Americans and brought the United States into World War II. The document provides details on the Japanese and U.S. forces involved, the sequence of the attack, casualties suffered, and reactions in the aftermath.