The Carl Levin and Howard P. "Buck" McKeon National Defense Authorization Act for Fiscal Year 2015 (proposed as H.R. 4435, passed as H.R. 3979, Pub.L. 113–291 (text) (PDF)) was a National Defense Authorization Act. According to the House Armed Services Committee, which oversaw the legislation, the bill would be "the comprehensive legislation to authorize the budget authority of the Department of Defense and the national security programs of the Department of Energy." The total appropriations that are authorized amount to approximately $600 billion for fiscal year 2015.