Steven Aftergood of the Federation of American Scientists' Project on Government Secrecy stated in February 2008 that: Of the 54 National Security Presidential Directives issued by the (George W.) Bush Administration to date, the titles of only about half have been publicly identified. There is descriptive material or actual text in the public domain for only about a third. In other words, there are dozens of undisclosed Presidential directives that define U.S. national security policy and task government agencies, but whose substance is unknown either to the public or, as a rule, to Congress. However, in an unprecedented development, the Trump administration ordered their national security directives to be published in the Federal Register. See also Presidential directive PDD-62 Continuity of Operations Plan National Security and Homeland Security Presidential Directive (NSPD-51) Notes References External links Presidential Directives and Executive Orders, a comprehensive listing of national security directives by the Federation of American Scientists National security directives at presidential libraries National Security Action Memoranda, at the John F. Kennedy Presidential Library National Security Action Memorandums, at the Lyndon B. Johnson Presidential Library National Security Study Memoranda and National Security Decision Memoranda, at the Richard Nixon Presidential Library National Security Study Memoranda and National Security Decision Memoranda, at the Gerald R. Ford Presidential Library Presidential Review Memoranda and Presidential Directives, at the Jimmy Carter Presidential Library National Security Study Directives and National Security Decision Directives, at the Ronald Reagan Presidential Library National Security Reviews and National Security Directives, at the George H. W. Bush Presidential Library Presidential Review Directives and Presidential Decision Directives, at the William J. Clinton Presidential Library National Security Presidential Directives, at the George W. Bush Presidential Library Foreign relations of the United States Presidency of the United States United States federal law United States United States national security directives