The aircraft carrier USS Carl Vinson (CVN 70) transits the Pacific Ocean during Valiant Shield 2014 Sept. 18, 2014.
Valiant Shield is a biennial U.S. Air Force, Navy and Marine Corps exercise held in Guam, focusing on real-world proficiency in sustaining joint forces at sea, in the air, on land and in cyberspace. (DoD photo by Mass Communication Specialist 2nd Class John Philip Wagner Jr., U.S. Navy/Released). Original public domain image from Flickr