Senate Armed Service Committee member Sen. John McCain, R-Ariz. speaks to reporters on Capitol Hill in Washington, Tuesday, July 8, 2014, after attending a closed committee meeting on the situations in Iraq and Afghanistan from Defense Secretary Chuck Hagel and Joint Chiefs of Staff Chairman Gen. Martin E. Dempsey. (AP Photo/Susan Walsh)
Joint Chiefs of Staff Chairman Gen. Martin E. Dempsey (left) joins Deputy Defense Secretary Ashton B. Carter on Capitol Hill on Tuesday to tell lawmakers about the potential effects of the looming and “potentially tragic” cuts to the defense budget. (Associated Press)
Defense Secretary Leon E. Panetta and Joint Chiefs of Staff Chairman Adm. Mike Mullen confer while briefing the news media Tuesday on the end of the "don't ask, don't tell" policy. Mr. Panetta said repealing the ban on openly gay military service was a "historic day." (Associated Press)
Joint Chiefs of Staff Chairman Adm. Mike Mullen, at a news conference Wednesday in Seoul with his South Korean counterpart, Gen. Han Min-koo, says China appears "unwilling" to pressure the North. (Associated Press)
Energy Secretary Steven Chu (left), Secretary of State Hillary Rodham Clinton, Defense Secretary Robert M. Gates, and Joint Chiefs of Staff Chairman Adm. Mike Mullen testify on Capitol Hill in June at a Senate Armed Services Committee hearing on the New Strategic Arms Reduction Treaty.