SHANKSVILLE ARRIVAL On the eve of the 11th anniversary of the Sept. 11, 2001, terrorist attacks on the United States, Defense Secretary Leon E. Panetta arrives at the Flight 93 Memorial Plaza in Shanksville, Pa., Sept. 10, 2012. SHARE: Download: Full Size (0.07 MB) Credit: VIRIN: 552271-R-QJK55-878.jpg Photo Gallery