U.S. Secretary of Defense Chuck Hagel (2nd R) and Martin Dempsey (1st R), chairman of the U.S. Joint Chiefs of Staff, attend a press conference at the Pentagon, Washington D.C., the United States, Feb. 24, 2014. U.S. Defense Secretary Chuck Hagel outlined on Monday his priorities for 2015 defense budget cut, including plans to reduce the size of the U.S. army to its pre-World War II levels. (Xinhua/Yin Bogu)