
This is an undated photograph of Admiral Isoroku Yamamoto, who was the commander of Japan's Combined Fleet and planned the attack on Pearl Harbor during World War II. He was gunned down by the U.S. Army Air Force while inspecting the Northern Solomon Islands on April 18, 1943. Yamamoto was born in Japan in 1884 and studied at Harvard University in the U.S. (AP Photo)

Admiral Husband E. Kimmel was accused by a special commission of dereliction of duty over the Japanese attack on Pearl Harbor, Jan. 24, 1942. (AP Photo)

Japanese planes over Hawaii during the attack on Pearl Harbor, Dec. 7, 1941, are shown in this scene from a Japanese newsreel. The film was obtained by the U.S. War Department and released to U.S. newsreels. (AP Photo/U.S. War Department)

In this Dec. 7, 1941 file photo, the destroyer USS Shaw explodes after being hit by bombs during the Japanese surprise attack on Pearl Harbor, Hawaii. Wednesday marks the 70th anniversary of the attack that brought the United States into World War II. (AP File Photo)

The battleship USS Arizona belches smoke as it topples over into the sea during Japanese surprise attack on Pearl Harbor, Hawaii, December 7, 1941. The ship sank with more than 80 percent of its 1,500-man crew, including Rear Admiral Issac C. Kidd. The attack, which left 2,343 Americans dead and 916 missing, broke the backbone of the U.S. Pacific Fleet and forced America out of a policy of isolationism. President Franklin D. Roosvelt announced that it was "a date which will live in infamy" and Congress declared war on Japan the morning after. This was the first attack on American territory since 1812. (AP Photo)

A Japanese dive bomber goes into its last dive as it heads toward the ground in flames after it was hit by Naval anti-aircraft fire during surprise attack on Pearl Harbor, Dec. 7, 1941. (AP Photo)

Sailors stand among wrecked airplanes at Ford Island Naval Air Station as they watch the explosion of the USS Shaw in the background, during the Japanese surprise attack on Pearl Harbor, Hawaii, on December 7, 1941. (AP Photo)

In this image provided by the U.S. Navy, U.S.S. Nevada beached at Hospital Point at Pearl Harbor, Hawaii in December 1941. (AP Photo/U.S. Navy)

**FILE** In this U.S. Navy photo, a small boat rescues a USS West Virginia crew member from the water after the Japanese bombing of Pearl Harbor, Hawaii, on Dec. 7, 1941, during World War II. Two men (upper center) can be seen on the superstructure. The mast of the USS Tennessee is beyond the burning West Virginia. On Dec. 7, 1941, Japanese Imperial Navy navigator Takeshi Maeda guided his Kate bomber to Pearl Harbor and fired a torpedo that helped sink the USS West Virginia. (Associated Press)