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DescriptionJCS briefing (July 30, 1963).pdf |
English: A report, classified Top Secret Restricted Data and obtain by FOIA in the 1990s, on US and Soviet nuclear weapon developments, including estimates of US and Soviet nuclear weapon design capabilities.
The last pages of the document include tables and graphs of US and Soviet yield to weight ratio capabilities by warhead weight class, survivability of Minuteman silos to attacks by various warhead yields, and a list of warhead yields for US and Soviet high altitude nuclear tests. The final two pages document the actual and estimated warhead yields for various US and Soviet systems, grouped by 1958 and pre 1958 warhead developments, developments based on the most recent series of tests (Operations Dominic and Nougat for US weapons) and possible yields based on future nuclear weapon developments. Note, that based on modern documents, the warhead weight estimates for Soviet weapons are gross overestimations of Soviet capability. For example, they estimate a 40 to 60 megatonnes of TNT (170 to 250 PJ) warhead like the Tsar bomb weighing 17,000 pounds (7,700 kg) when the tested weight of the device was 60,000 pounds (27,000 kg). |
Date | |
Source | FOIA request |
Author | US Director of Central Intelligence |
Licensing
Public domainPublic domainfalsefalse |
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This work is in the public domain in the United States because it is a work prepared by an officer or employee of the United States Government as part of that person’s official duties under the terms of Title 17, Chapter 1, Section 105 of the US Code.
Note: This only applies to original works of the Federal Government and not to the work of any individual U.S. state, territory, commonwealth, county, municipality, or any other subdivision. This template also does not apply to postage stamp designs published by the United States Postal Service since 1978. (See § 313.6(C)(1) of Compendium of U.S. Copyright Office Practices). It also does not apply to certain US coins; see The US Mint Terms of Use.
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This file has been identified as being free of known restrictions under copyright law, including all related and neighboring rights. |
https://creativecommons.org/publicdomain/mark/1.0/PDMCreative Commons Public Domain Mark 1.0falsefalse
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current | 07:14, 6 November 2021 | ![]() | 3,604 × 4,802, 21 pages (12.51 MB) | Kylesenior (talk | contribs) | Uploaded a work by US Director of Central Intelligence from FOIA request with UploadWizard |
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Software used | Genius Scan |
File change date and time | 14:32, 11 August 2021 |
Date and time of digitizing | 14:32, 11 August 2021 |
Date metadata was last modified | 14:32, 11 August 2021 |
Conversion program | Acrobat 11.0.19 Paper Capture Plug-in |
Encrypted | no |
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Version of PDF format | 1.6 |
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