The National Security Act of 1947 (Pub. L. No. 235, 80 Cong., 61 Stat. 496, 50 U.S.C. ch.15) was signed by United States President Harry S. Truman on July 26, 1947, and realigned and reorganized the U.S. Armed Forces, foreign policy, and Intelligence Community apparatus in the aftermath of World War II. The majority of the provisions of the Act took effect on September 18, 1947, the day after the Senate confirmed James Forrestal as the first Secretary of Defense.
The Act merged the Department of War and the Department of the Navy into the National Military Establishment, headed by the Secretary of Defense. It was also responsible for the creation of a separate Department of the Air Force from the existing Army Air Forces. Initially, each of the three service secretaries maintained quasi-cabinet status, but the act was amended on August 10, 1949, to assure their subordination to the Secretary of Defense. At the same time, the NME was renamed as the Department of Defense.
Aside from the military reorganization, the act established the National Security Council, a central place of coordination for national security policy in the executive branch, and the Central Intelligence Agency, the States' first peacetime intelligence agency.
The Joint Chiefs of Staff was officially established under Title II, Section 211 of the original National Security Act of 1947 before Sections 209-214 of Title II were repealed by the law enacting Title 10 and Title 32, United States Code (Act of August 10, 1956, 70A Stat. 676) to replace them.
The act and its changes, along with the Truman Doctrine and the Marshall Plan, were major components of the Truman administration's Cold War strategy.
The bill signing took place aboard Truman's VC-54C presidential aircraft Sacred Cow, the first aircraft used for the role of Air Force One.[1] So the legislation that created the U.S. Air Force was enacted onboard an Air Force aircraft.
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| ←←Chapter 14. Wartime Voting by Land and Naval Forces | United States
Code Title 50, Chapter 15. National Security |
Chapter 16. Defense Industrial Reserves→→ |
| From the Cornell Law School U.S. Code Collection.: This chapter contains the National Security Act. |
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