Deputy Under Secretary of Defense for Policy Ryan Henry (right) and the Joint Staff Director for Force Structure, Resources and Assessment Vice Adm. Evan Chanik (left), U.S. Navy, brief reporters in the Pentagon on some of the key findings of the Quadrennial Defense Review on Feb. 3, 2006. The review looks at developing trends in the global security situation and recommends courses of action to be followed by the Department of Defense to effectively meet the challenges ahead.