United States Secretary of Defense to die was Frank Carlucci (1987–1989), on 3 June 2018. United States Secretary of Defense The Secretary of Defense (SecDef) is the leader and chief executive officer of the United States Department of Defense, the executive department of the Armed Forces of the United States. The Secretary of Defense's position of command and authority over the United States' military is second only to that of the President and Congress, respectively. This position corresponds to what is generally known as a Defense Minister in many other countries. The Secretary of Defense is appointed by the President with the advice and consent
Under Secretary of Defense for Policy by DoD Directive 5111.3. The PDUSD(P) provides advice and assistance to the Secretary of Defense, Deputy Secretary of Defense, and USD(P) on national security policy, military strategy, and defense policy. Under Secretary of Defense for Policy The Under Secretary of Defense for Policy (USDP) is a high level civilian official in the United States Department of Defense. The Under Secretary of Defense for Policy is the principal staff assistant and adviser to both the Secretary of Defense and the Deputy Secretary of Defense for all matters concerning the formation of national security and defense policy. The Under Secretary is normally