TY - BOOK ED - USA. TI - Sustaining U.S. global leadership: priorities for 21st century defense PY - 2012/// CY - Washington, DC PB - DOD KW - leadership KW - foreign policy KW - national security KW - USA KW - official publication N1 - "January 2012" UR - http://www.defense.gov/news/Defense_Strategic_Guidance.pdf ER -