1. The position of the head of the Department of Defense
   "the position of Defense Secretary was created in 1947"
   - Secretary of Defense 
2. The person who holds the secretaryship of the Defense Department
   "the first Defense Secretary was James V. Forrestal who was appointed by Truman"
   - Secretary of Defense

Derived forms: Defense Secretaries

Type of: secretary, secretaryship

Part of: United States Cabinet, US Cabinet

Encyclopedia: Defense Secretary

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