TY - BOOK AU - HAGEL Chuck TI - Toward a strong and sustainable defense enterprise PY - 2015/// KW - UNITED STATES KW - DEFENCE STRATEGY N2 - The Department of Defense is investing in long-term innovation and reform that will rely on leadership in the Department and the Congress. The secretary of defense describes the challenges the Department faces and the hard choices the Congress needs to make to support the U.S. defense enterprise on its path to strength and sustainability ER -