DEFENSE MINISTERS U.S. Defense Secretary Leon E. Panetta, right, and Portuguese Defense Minister José Pedro Aguiar-Branco talk after looking through a window at the Ponte 25 de Abril (25th April Bridge) in Lisbon, Portugal, Jan. 14, 2013. Panetta is on a six-day trip to Europe to visit foreign counterparts and U.S. troops. SHARE: Download: Full Size (0.05 MB) Credit: VIRIN: 256542-L-MMY39-726.jpg Photo Gallery