U.S. Republican Senator John McCain speaks at a think tank event in Washington D.C., the United States, March 26, 2015. U.S. Republican Senator John McCain, an influential voice on the country's national defense policy, touted Thursday a beefed-up defense budget as both chambers of the U.S. Congress were grappling to strike a deal on the defense budget for Fiscal Year 2016. (Xinhua/Yin Bogu)
