This volume examines British policy towards the Soviet Union in the aftermath of the invasion of Afghanistan in December 1979. The documents in this volume, many released into the public realm for the first time, describe the development of British policy towards the Soviet Union during the eventful years 1979-1982. The new Conservative government, under Margaret Thatcher, was determined to strengthen British defences against the perceived Soviet threat and advocated a strong response to the Soviet intervention. East-West relations further deteriorated following the imposition of martial law...