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Digital Archive International History Declassified

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  • March 19, 1975

    Military Exercise Soyuz-75 Intelligence Information No. 1

    As part of the Soyuz-75 exercise, this document provides intelligence on Western forces and an evaluation of the current military situation.

  • March 19, 1975

    Military Exercise Soyuz-75 Operational Directive No. 2 of the Maritime Front

    This document chronicles continuing developments in the hypothetical "Soyuz-75" military exercise. After two days of battle, Eastern forces have overpowered the West. However, due to the deployment of nuclear weapons, the zone between the rivers Elbe and Oder has become radioactive. In light of the possibility that the West may soon deploy reserve forces, the document directs the Polish Maritime Front to plan an offensive towards Berlin, Hannover, and Brussels with the goal of defeating Western forces in northern West Germany. By the end of March, the Maritime Front is to occupy the Jutland peninsula and reach the North Sea coast at the border of France. Finally, the document directs the Maritime Front to a defense of its position on the North Sea and prescribes the use of nuclear weapons against enemy forces.

  • March 19, 1975

    Military Exercise Soyuz-75 Combat Order No. 1 of the 4th Army

    This document describes the locations, movements, and goals of Warsaw Pact forces in their theoretical confrontation with NATO under the "Soyuz-75" military exercise.

  • March 20, 1975

    Cable No. 62 from Le Duc Tho to Brother Tuan [Van Tien Dung]

    Le Duc Tho sent Van Tien Dung a cable saying that he and Le Trong Tan will meet Dung to brief him on their assessment of the situation and on the new decisions reached by the Politburo and the Central Military Party Committee.

  • March 20, 1975

    Cable No. 870 from Dien Bien [Central Military Party Committee] to COSVN Military Headquarters and Brother Bay Cuong [Pham Hung]

    On behalf of the Central Military Party Committee, Hoang Van Thai sent out a cable to report on the successful results of the attacks and uprisings of the soldiers and civilians of South Vietnam and in Central Highlands.

  • March 21, 1975

    Military Exercise Soyuz-75 Combat Instruction No. 5 for Radioelectric Warfare of the Maritime Front

    This document provides combat instructions to Warsaw Pact military forces as part of the military exercise Soyuz-75.

  • March 22, 1975

    Military Exercise Soyuz-75 Combat Instruction No. 1 of the Maritime Front

    This document describes the developing military situation in the hypothetical "Soyuz-75" military exercise. The Polish Maritime Front has successfully defeated NATO after five days of battle and reached the Weser River in Germany, which empties into the North Sea. However, Western forces retain the capacity to remobilize. Therefore, the document directs the Maritime Front to establish a defense of its position on the North Sea.

  • March 22, 1975

    Cable No. 38B from Brother Chien [Vo Nguyen Giap] to Brother Tuan [Van Tien Dung]

    Vo Nguyen Giap writes to Van Tien Dung regarding the Politburo's assessment of the South Vietnamese battlefield and current policy decisions.

  • March 23, 1975

    State Department telegram 65502 to US Consulate, Jerusalem, 'Action Memorandum: Nuclear Suppliers' Conference'

    This telegram lists the complications that would arise if France does not agree to participate in the nuclear suppliers' meeting or if it delays its decision. Also lists ideas of how to overcome the challenges of the bilateral talks between the U.S. and France, and sends these various options to Paris.

  • March 23, 1975

    Cable No. 70 from Brother Tho [Le Duc Tho] to Brother Tuan [Van Tien Dung]

    Cable from Le Duc Tho to Van Tien Dung to update on the situation at the battlefield and discuss military tactics.

  • March 24, 1975

    Military Exercise Soyuz-75 Combat Instruction No. 17 for Radioelectronic Warfare of the Maritime Front

    Part of the Soyuz-75 military exercise, this document updates the Warsaw Pact Maritime Front on the status of enemy communications capabilities. Due to their use of a nuclear weapon and conventional warfare, the Warsaw Pact forces have successfully disrupted enemy communication. The Maritime Front is now ordered to "suppress enemy radio relay communications" during impending military confrontations.

  • March 24, 1975

    Military Exercise Soyuz-75 Instructions

    In this hypothetical scenario, enemy forces have attacked Maritime Front troops with nuclear and chemical weapons. This document directs the troop leadership to modify their route to avoid contaminated areas, decontaminate all contaminated units, and repair and/or replenish their chemical equipment.

  • March 24, 1975

    Military Exercise Soyuz-75 Combat Instruction No. 04 of the Maritime Front

    Part of the Soyuz-75 military exercise, this document provides the Warsaw Pact Maritime Front with information on enemy losses and opportunities to mount an offensive strike. In this hypothetical scenario, the Maritime Front is charged with destroying enemy airfields, advancing westward, and occupying the North Sea coast, where their troops and allied navies will establish a defense of their position.

  • March 24, 1975

    Comrade Le Duan’s Comments in a Politburo Meeting Held 24 March 1975, after our Victory at Ban Me Thuot (Notes taken by Comrade Vo Quang Ho)

    In a Politburo meeting after the Ban Me Thuot victory, Le Duan gives comments on the progress and future direction of the general offensive to liberate South Vietnam.

  • March 25, 1975

    Telegram from the Romanian Embassy in Pyongyang to Bucharest, SECRET, No. 059.101

    Popa describes the breakdown of the negotiations at the North-South Coordination Committee, which has devolved into an "organized exchange of accusations and labels." He notes that the discovery of tunnels beneath the DMZ and other conditions have made it impossible to stall the rising tensions on the peninsula.

  • March 25, 1975

    Cable No. 75 from Brother Tho [Le Duc Tho] to Brother Tuan [Van Tien Dung]

    Cable from Le Duc Tho to Van Tien Dung to discuss the decision by the Politburo and the Central Military Party Committee to implement Plan 1 in the immediate future and consolidate forces in the northern provinces.

  • March 25, 1975

    Central Military Party Committee to Comrade Tran Van Tra and the COSVN Military Party Committee, Info Copy Sent to Pham Hung, the COSVN Party Secretary

    Cable from Vo Nguyen Giap on behalf of the Central Military Party Committee to report on its strategic general offensive, beginning with the victories in the Central Highlands and the other battlefields.

  • March 25, 1975

    Central Military Party Committee to General Van Tien Dung

    Cable from Vo Nguyen Giap to Van Tien Dung to report on the assessment of the situation and future military plans by the Politburo and the Central Military Party Committee

  • March 25, 1975

    Cable No. 898B from Brother Van [Vo Nguyen Giap] to Brother Tuan [Van Tien Dung]

    Vo Nguyen Giap writes to Van Tan Dung regarding the assessment of the Politburo and the Central Military Party Committee on the situation of the B3 Campaign and the way forward.

  • March 26, 1975

    State Department memorandum, 'Nuclear Suppliers Conference/French Participation'

    This memo describes the details of the nuclear suppliers' conference, specifically the details of French participation. Cites the need for common understanding regarding nuclear exports is needed and therefore invites Great Britain, the Soviet Union, West Germany, Japan, and France to participate in the conference. Also details the process of trying to persuade France to participate and dissuading their reluctancy.