U.S. Navy petty officers first class finish the last stretch of a 5-kilometer run as part of the 9/11 Heroes Run sponsored by the chief's mess with the Aircraft Intermediate Maintenance Detachment at Naval Air Facility Atsugi, Japan, Sept. 11, 2014. Terrorists hijacked four passenger aircraft Sept. 11, 2001. Two of the aircraft were deliberately crashed into the World Trade Center in New York; one was crashed into the Pentagon; the fourth crashed near Shanksville, Pa. Nearly 3,000 people died in the attacks.