Volunteers, some from Scott Air Force Base, Ill., survey the destruction June 2, 2011, in Joplin, Mo., caused by an EF5 tornado that passed through Joplin on May 22, 2011. The tornado left 153 people dead and damaged more than 8,000 homes, schools and the St. John’s Medical Center. (U.S. Air Force Photo/Tech. Sgt. Ed Mueller)