CSIS undertook a study in support of Office of the Secretary of Defense (OSD) Strategy and the 2014 Quadrennial Defense Review (QDR) to explore using U.S. military power in new ways to achieve high-priority strategic ends (derived from the 2012 Defense Strategic Guidance). The project was informed by a series of in-depth interviews and a Core Working Group with experts from outside the U.S. government, including former government officials, current foreign government uniformed and civilian defense officials, global business strategists, and individuals knowledgeable in humanitarian assistance and disaster relief.