EN ROUTE TO EUROPE U.S. Defense Secretary Leon E. Panetta briefs the press in flight to Lisbon, Portugal, Jan. 14, 2013. Panetta is on a six-day trip to Europe to visit with defense counterparts and troops. SHARE IMAGE: Download Image: Full Size (0.07 MB) Photo By: VIRIN: 232713-Y-YDN14-359.jpg Photo Gallery