<a href="https://en.wikipedia.org/wiki/Cold_War" id="mwAR4" rel="mw:WikiLink" title="Cold War">Cold War</a>: U.S. President <a href="https://en.wikipedia.org/wiki/Harry_S._Truman" id="mwAR8" rel="mw:WikiLink" title="Harry S. Truman">Harry S. Truman</a> signs the <a href="https://en.wikipedia.org/wiki/National_Security_Act_of_1947" id="mwASA" rel="mw:WikiLink" title="National Security Act of 1947">National Security Act of 1947</a> into <a href="https://en.wikipedia.org/wiki/Law_of_the_United_States" id="mwASE" rel="mw:WikiLink" title="Law of the United States">United States law</a> creating the <a href="https://en.wikipedia.org/wiki/Central_Intelligence_Agency" id="mwASI" rel="mw:WikiLink" title="Central Intelligence Agency">Central Intelligence Agency</a>, <a href="https://en.wikipedia.org/wiki/United_States_Department_of_Defense" id="mwASM" rel="mw:WikiLink" title="United States Department of Defense">United States Department of Defense</a>, <a href="https://en.wikipedia.org/wiki/United_States_Air_Force" id="mwASQ" rel="mw:WikiLink" title="United States Air Force">United States Air Force</a>, <a href="https://en.wikipedia.org/wiki/Joint_Chiefs_of_Staff" id="mwASU" rel="mw:WikiLink" title="Joint Chiefs of Staff">Joint Chiefs of Staff</a>, and the <a href="https://en.wikipedia.org/wiki/United_States_National_Security_Council" id="mwASY" rel="mw:WikiLink" title="United States National Security Council">United States National Security Council</a>.