This Soviet cipher message gives orders to the Polish military leadership regarding the joint military exercise in Poland and Czechoslovakia.

This Soviet cipher message provides Polish military forces with specific instructions regarding the forthcoming joint military exercise in Poland and Czechoslovakia. The given details pertain primarily to Polish troop movements.

This cipher message provides the leadership of Polish forces with specific information regarding the implementation of the military exercise to be held in Poland and Czechoslovakia.

Sent by the Soviet Union, this cipher message notifies Polish forces that a joint strategic operational military exercise will be conducted in Poland and Czechoslovakia in the coming month. Soviet Marshal Yakubovsky advises Polish Division General Jaruzelski to mobilize the appropriate forces and resources for the purposes of the exercise.

Directive describes how the military exercise Overcast Summer-68 ["Pochmurne Lato"] will transpire on August 1 on the border of Poland and Czechoslovakia from 28 July to 5 August 1968 and states the logistics of the exercise. Information includes what groups will be used, their commanding generals, equipment, and first aid materials. The document also details how communications between all parties involved will function, as well as signal words and numbers that are to be used under various situations. Directive is signed by Minister of Defense and General of Divisions, Wojciech Jaruzelski.