"Central Committee of the CPSU and the Council of Ministers of the USSR
Decree dated December 30th, 1966
On the acceptance of a new medium tank into service with the Soviet Army
The Central Committee of the CPSU and the Council of Ministers of the USSR decree to:
1. Agree with the proposal of the Ministry of Defense of the USSR and Ministry of Defense Industry to accept into service with the Soviet Army a new medium tank, equipped with the 5TDF engine, 115 mm smoothbore D-68 gun with HEAT, HE, and subcaliber armour piercing ammunition, a 2318 two-plane stabilizer, a TPD-43B rangefinder sight, and a PKT coaxial machinegun developed in accordance with CC CPSU and Council of Ministers decree #141-58 dated February 17th, 1961 and matching tactical-technical requirements given in attachment #1.
Name the aforementioned tank T-64."
"Comrade N.A. Kucherenko
Copy into the order.
January 4th, 1967"