Secretary Panetta prepares to lay a wreath at the Flight 93 National Memorial Secretary of Defense Leon E. Panetta walks with a Park Ranger as he prepares to lay a wreath at the Flight 93 National Memorial Plaza Wall of Names in Shanksville, Pa, on Sept. 10, 2012. Panetta will lay the wreath to honor the passengers and crew of United Airlines Flight 93. SHARE: Download: Full Size (0.05 MB) Credit: VIRIN: 198364-H-KSD36-586.jpg Photo Gallery