Directives, Instructions, Specifications & Standards

Obama Administration (2009- )

Bush Administration (2001-2009)

Clinton Administration (1993-2001)

Bush Administration (1989-1993)

Reagan Administration (1981-1989)

Carter Administration (1977-1981)

Ford Administration (1974-1977)

Nixon Administration (1969-1977)

Johnson Administration (1963-1969)

Kennedy Administration (1961-1963)

Eisenhower Administration (1953-1961)

Truman Administration (1945-1953)