PENTAGON WELCOME U.S. Defense Secretary Leon E. Panetta escorts the United Kingdom's Secretary of State for Defense Philip Hammond through an honor cordon into the Pentagon, Jan. 5, 2012. They met to sign a statement of intent concerning enhanced cooperation on carrier operations and maritime power projection at the Pentagon, Jan. 5, 2012. SHARE: Download: Full Size (0.08 MB) Credit: VIRIN: 708626-F-HTQ97-690.jpg Photo Gallery