On October 27, 1966, the flight test program of the first second-generation intercontinental ballistic missile UR-100 (8K84) was completed. The rocket was developed in OKB-52 by order of the Central Committee of the CPSU and the Council of Ministers of the USSR dated March 30, 1963, under the leadership of the outstanding designer Vladimir Nikolayevich Chelomey. Flight tests began on April 19, 1965 with a launch from a ground facility at the Baikonur Cosmodrome, and on July 17 the first launch from a silo launch complex took place. In total, about 60 launches were carried out as part of the program. UR-100 became the first lightweight Soviet ampoule-type silo-launch ICBM. The fueling rocket was stored in a sealed transport and launch container during its entire duty cycle, and pre-launch preparation and launch were as automated as possible. This made it possible to organize almost lightning-fast combat readiness of the missile system - the time from the command to launch did not exceed a few minutes. On July 21, 1967, the UR-100 missile system was adopted by the Strategic Missile Forces of the Soviet Union. The UR-100 subsequently became the most popular Soviet ICBM, with 990 missiles deployed by 1972. This allowed the Soviet Union to achieve quantitative parity with the United States in strategic nuclear missile weapons by the early 1970s. 1. Test launch of the UR-100 ICBM. Archive of the Russian Academy of Sciences. P. 2330. Op. 1. D [88].

On October 27, 1966, the flight test program of the first second-generation intercontinental ballistic missile UR-100 (8K84) was completed. The rocket was developed in OKB-52 by order of the Central Committee of the CPSU and the Council of Ministers of the USSR dated March 30, 1963, under the leadership of the outstanding designer Vladimir Nikolayevich Chelomey. Flight tests began on April 19, 1965 with a launch from a ground facility at the Baikonur Cosmodrome, and on July 17 the first launch from a silo launch complex took place. In total, about 60 launches were carried out as part of the program. UR-100 became the first lightweight Soviet ampoule-type silo-launch ICBM. The fueling rocket was stored in a sealed transport and launch container during its entire duty cycle, and pre-launch preparation and launch were as automated as possible. This made it possible to organize almost lightning-fast combat readiness of the missile system - the time from the command to launch did not exceed a few minutes. On July 21, 1967, the UR-100 missile system was adopted by the Strategic Missile Forces of the Soviet Union. The UR-100 subsequently became the most popular Soviet ICBM, with 990 missiles deployed by 1972. This allowed the Soviet Union to achieve quantitative parity with the United States in strategic nuclear missile weapons by the early 1970s. 1. Test launch of the UR-100 ICBM. Archive of the Russian Academy of Sciences. P. 2330. Op. 1. D [88].

2. Decree of the USSR GKAT on ensuring the reliability of ampule rockets. 1964 Archives of the Russian Academy of Sciences. P. 2330. Op. 1. D [67]. 3. Installation of a transport container and launch with a UR-100 missile into the silo. Archive of the Russian Academy of Sciences. P. 2330. Op. 1. D [88]. of the Russian Academy of Sciences of Cosmonautics.