Department of Defense authorization for appropriations for fiscal year 2013 and the Future Years Defense Program : hearings before the Committee on Armed Services, United States Senate, One Hundred Twelfth Congress, second session, on S. 3254, to authorize appropriations for fiscal year 2013 for military activities of the Department of Defense, for military construction, and for defense activities of the Department of Energy, to prescribe military personnel strengths for such fiscal year, and for other purposes.