From left are Dennis Redenbach, the regional director of National Park Service's Northeast region, Jeff Reinbold, superintendent of the Flight 93 Nat'l Memorial, Secretary of Defense Leon Panetta, and Patrick White, president of Families of Flight 93, shown during Panetta's visit to the Flight 93 National Memorial near Shanksville, Pa., Monday, Sept. 10, 2012. (AP Photo/Tribune-Democrat, John Rucosky)