The U.S. Commission on National Security/21st Century (USCNS/21), also known as the Hart-Rudman Commission or Hart-Rudman Task Force on Homeland Security, was chartered by Secretary of Defense William Cohen in 1998 to provide a comprehensive review of US national security requirements in the 21st century. USCNS/21 was tasked "to analyze the emerging international security environment; to develop a US national security strategy appropriate to that environment; and to assess the various security institutions for their current relevance to the effective and efficient implementation of that strategy, and to recommend adjustments as necessary".
Released on 31 January 2001, USCNS/21 was the most exhaustive review of US national security strategy since the National Security Act of 1947. USCNS/21 was released in three distinct phases. The first phase, New World Coming: American Security in the 21st Century (see further below), anticipates the emerging international security environment within the first quarter of the 21st century and examines how the US fits into that environment. The second phase, Seeking a National Strategy: A Concert for Preserving Security and Promoting Freedom (see further below), proposes a new US national security strategy based on the anticipated threats and conditions outlined in the first phase report. The third phase, Roadmap for National Security: Imperative for Change (see further below), recommends changes to the US government's structure, legislation, and policy to reflect a new national security strategy based on the anticipated 21st century international security environment.
According to the US Commission on National Security/21st Century Charter:
The Department of Defense recognizes that America should advance its position as a strong, secure, and persuasive force for freedom and progress in the world. Consequently, there is a requirement to:
A Commission, the U.S. Commission on National Security/21st Century (USCNS/21), will be established to fulfill this requirement, supported by a Study Group. Two individuals who have national recognition and significant depth of experience and public service will oversee the efforts of this Commission and serve as its Co-chairpersons. The study effort shall be conducted by a Study Group, composed of individuals who will be appointed as Department of Defense personnel. Based on the results of this study and the Commission's consideration thereof, the USCNS/21 will advance practical recommendations that the President of the United States, with the support of the Congress, could begin to implement in the Fiscal Year 2002 budget, if desired.