Public Statements by the Secretaries of Defense, 1947-1981 are microfilmed copies of official statements, press releases, speeches, announcements and memoranda released by successive US Secretaries of Defense, 1947-1981. Compiled by the US Department of Defense at the Pentagon, Washington, DC, the material reflects US government national security concerns during the height of the Cold War. Arranged chronologically, the series includes statement before the US Senate Foreign Relations Committee regarding the European Recovery Program (Marshall Plan), 1948; statement before the Foreign Affairs Committee of the House of Representatives on aid to Greece and Turkey, 1948; memoranda relating to Civil Defense Planning, 1948; statement on biological warfare potentialities, 1949; statements relating to the North Atlantic Treaty Organization, 1949-1981; remarks at the unveiling of the memorial to British FM Sir John (Greer) Dill, 1950; testimony relating to the military situation in the Far East and the Balkans; statements relating to the Mutual Security Pact, 1952 and the Mutual Security Program, 1953; statement regarding the deployment of nuclear weapons for air defence, 1957; statement before the Senate Committee on Armed Services relating to satellite and missile programs, 1958; testimony regarding the Foreign Assistance Act, 1962; press conferences relating to the Cuban Missile Crisis, 1962; joint statements with Gen Maxwell Davenport Taylor, Chairman, US Joint Chiefs of Staff, relating to the situation in the Republic of Vietnam, 1963; press conference regarding Gulf of Tonkin 'incident', 1964; statement regarding the appointment of Gen William Childs Westmoreland as Commander, Military Assistance Command, Vietnam, 1964; press releases relating to the increased commitment of US ground troops to Vietnam, 1966; testimony regarding US operations in Cambodia, 1970; press conferences relating to US-Soviet Inter-Continental Ballistic Missile (ICBM) tests, 1970; statements regarding US arms sales to Israel during the 1973 Yom Kippur War, 1974; statements regarding the fall of Saigon, Republic of Vietnam, to the North Vietnamese Army, Apr 1975; testimony relating to nuclear technology, including the Minuteman II nuclear missile, 1976; statements regarding Stealth technology and its application, 1980.

Minutes of the Meetings of the National Security Council: First Supplement are microfilmed copies of minutes of meetings, official meeting files and supporting documentation, and detailed records relating to meeting of the National Security Council, 1947-1956. Document material relates to policies and procedures governing the National Security Council, 1947; initial directives to the Central Intelligence Agency, 1947; the US political position concerning Italy, Greece, China, and Palestine, 1947; US policy with respect to the Republic of Korea, 1948-53; conversations with the British in regard to the Eastern Mediterranean and the Middle East, 1948; US position with respect to perceptions of Soviet-directed world communism, 1948-55; the dispatch of US B-29 bombers to Great Britain, 1948; US policy on atomic and nuclear warfare, 1948-55; possible Soviet interruptions to the Berlin air-lift, 1948; organisation under the Atlantic Pact and the formation of the North Atlantic Treaty Organisation (NATO), 1949; the re- armament of the Federal Republic of West Germany, 1950; the position of the US with respect to Indochina, 1951-55; the death of Joseph Vissarionovich Stalin, President of the Soviet Council of Ministers and General Secretary, Communist Party of the Soviet Union, 1953; the Mutual Security Program, 1953; US objectives with respect to Indonesia, 1953; US objectives in the event of a general war with the Soviet bloc, 1954; overseas reaction to the Atomic Energy Commission, 1955; US policy towards the People's Republic of China, Formosa and the government of the Republic of China, 1955

The collection covers Pyman's career from 1937 until 1963 when he suffered a severe stroke which forced his retirement in 1964. The earliest papers date from Pyman's work with the Royal Tank Cadre in converting the 17/21 Lancers from a cavalry to an armoured regiment. There are also papers from Pyman's period as an instructor at the Staff College in Quetta, India, 1939-1941. Pyman was involved in the World War Two campaigns by the 8 Army in the Western Desert, in 1941 as General Staff Officer with 7 Armoured Div, 30 Corps and in 1942-1943 as Commander of the 3 Royal Tank Regiment, 10 Armoured Div, 30 Corps. The papers consist mostly of Pyman's assessments of lessons learned from the ongoing campaigns particularly with regard to tanks and armoured units. In 1944-1945 Pyman was Brigidier General Staff, 30 Corps, 2 Army in the Normandy landings and the invasion of Northern Europe, with particular responsibility for organisation and planning of the Rhine crossing and advance to the Baltic. This is reflected in the papers which largely consist of planning studies and reports for the operations involved, this section also contains maps used in the campaign. Pyman's next appointment was as Chief of General Staff, Allied Land Forces, South East Asia, 1945-1946 which is documented by a series of diaries which reflect the tasks faced by Pyman in this command including dealing with the build up of tension between newly liberated former colonies keen to assert their right for independence and the former colonial powers such as France and Netherlands. Pyman spent 1946-1949 as Chief of Staff, Middle East Land Forces and kept monthly diaries which form the bulk of this section of the collection. The diary entries and additional papers reflect the debate over policy in the Middle East in the British Government and Military command, they include detail on the British withdrawal from Greece, the problem of illegal Jewish immigrants and their internment in Cyprus, the end of the British mandate in Palestine and the the effect of this on relations between Britain with Egypt and the other Arab states and the subsequent Arab Israeli conflict. This section of the collection also contains correspondence between Pyman and Maj Gen Sir Miles Christopher Dempsey on personal matters and on the Middle East. There are also papers from Pyman's work at the Ministry of Supply as Director General of Fighting Vehicles, 1951-1953, Director of Weapons Development, War Office, 1955-1956 mostly brief diary entries and lecture texts. Pyman was also General Officer Commanding, British Army on the Rhine, 1953-1955 and General Officer Commanding, 1 British Corps, 1956-1958 and the papers relating to these commands consist mostly of lectures, reports and directives reflecting his interest in armoured divisions and training. There are some papers, mostly personal correspondence and press cuttings, from Pyman's final command as Commander-in-Chief Allied Forces Northern Europe in North Atlantic Treaty Organisation (NATO). The collection also contains correspondence relating to Pyman's role as Colonel Commandant of the Royal Tank Regiment and The Royal Armoured Corps and a series of letters covering the reorganisation of the Berks and Westminster Dragoons, of which he was Honorary Colonel. The rest of the collection consists of diaries, correspondence, speeches, writings including the draft copy and papers relating to his autobiography, some preparatory work on a history of the 2 Army and reference works. The collection also includes the Boer War diaries and other papers of Col James Redmond Patrick Gordon who commanded the 1 Cavalry Bde of the South African Field Force 1900-1901 which were given to Pyman by a friend.