SUBMARINE TOUR U.S. Navy Cmdr. Wesley R. Guinn, right, commander of the submarine USS Scranton, describes the sub's weapons capabilities to Brazilian Minister of Defense Nelson Azevedo Jobim, left, March 19, 2008. Jobim is touring several military locations in the U.S. at the invitation of U.S. Defense Secretary Robert M. Gates. SHARE: Download: Full Size (0.07 MB) Credit: VIRIN: 306164-X-XMA85-172.jpg Photo Gallery