Joint Chiefs Chairman Admiral Mike Mullen urges the U.S. Senate to approve a new arms control START Treaty with Russia. He testified as the Senate Foreign Relations Committee began hearings May 18, 2010 on Capitol Hill in Washington DC. The treaty, which would replace the 1991 Strategic Arms Reduction Treaty and the 2002 Moscow Treaty, was signed by President Obama and Russian President Dmitry Medvedev at Prague Castle on April 8. (Photo by Jeff Malet)