A Saildrone Explorer unmanned surface vessel (USV) sails in the Gulf of Aqaba off of Jordan’s coast, Dec. 12, during exercise Digital Horizon. (U.S. Army photo by Cpl. Deandre Dawkins)
Barack Obama waves alongside U.S. Senate Candidate Democrat Robin Carnahan during a fundraiser in Kansas City, Missouri, July 8, 2010. (SAUL LOEB/AFP via Getty Images)