The document provides an overview of key events and figures in the Pacific Theater of Operations (PTO) during World War 2. It describes Japan's attack on Pearl Harbor on December 7, 1941 that brought the US into the war. It then lists major battles between US and Japanese forces such as Guadalcanal, Tarawa, Leyte Gulf, Iwo Jima, and Okinawa. It also mentions the atomic bombings of Hiroshima and Nagasaki that led to Japan's surrender, ending the war.