Greensburg Tornado

The Marine One helicopter, carrying President Bush, flies over tornado damage in Greensburg, Kan., Wednesday, May 9, 2007. A 1.7-mile-wide Category F5 enhanced tornado, with winds estimated at 205 mph, destroyed about 95 percent of the farming town Friday, May 4, 2007. The supercell, part of an extended tornado outbreak, killed at least 13 people, including 11 in Greensburg and two in Pratt County by a separate tornado.

Credit: AP Photo/Charles Dharapak