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Digital Archive International History Declassified

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  • April 21, 1955

    Letter to Z. P. Zaveniagin, 'Regarding the Choice of Devices for Strategic Use'

    Report describing the relative merits of the RDS-27 and the SD nuclear weapon designs for use on the R-7 "Semyorka" ICBM.

  • May 26, 1955

    Proposal Concerning the Testing of an Experimental System for the Verification of the Casing Design

    Proposal to develop a test warhead using radiation implosion to induce a thermonuclear reaction. The proposal emphasizes that the device will be compatible with the existing R-7 ICBM delivery system.

  • June 30, 1955

    Letter from Iu. B. Khariton to N. I. Pavlov Regarding the Testing of a Nuclear Weapon at Object 700

    The letter describes geographic, safety, and technical considerations taken into account when selecting a test site for the RDS-37 hydrogen bomb. Specifically, the letter highlights that a testing field should be chosen based on the existence of population centers, the terrain, and the main wind patterns.

  • July 01, 1955

    Report by the Commission on the Review of the Scientific Principles of Atomic Compression and the Data on the Experimental Device RDS-37

    A report on the design of the RDS-37 nuclear device and the implications of radiation implosion induced nuclear fusion on weapons design.

  • April 21, 1956

    Note by the CC CPSU Regarding the Arming of R-7 Rockets with a Hydrogen Charge on the Basis of the Principle of Radiation Implosion

    Proposal on the development of the R-7 rocket to carry a new RDS-6 type device between Soviet officials in the Central Committee of the Communist Party of the Soviet Union. The updated R-7 rocket with RDS-6 device was approved to be designed lighter and given a bigger yield.