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Associated Press
Staff Sergeant David Thatcher, center, is saluted as he enters the USS Hornet before a news conference to commemorate the 70th Anniversary of the Tokyo attack by the Doolittle Raiders in Alameda, Calif., Saturday, May 5, 2012. Survivors of a daring World War II aerial bombing of Japan are gathering in Alameda on the 70th anniversary of the attack. The "Doolittle Raiders" have been credited with lifting the nation's spirits after Pearl Harbor. (AP Photo/Jeff Chiu)

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