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Description
English: The United States Department of Defense, Defense Nuclear Agency (1982). Castle Series. Washington D.C.: United States Government Printing Office. (DNA 0635F) Cover letter.

The letter text:

“

IN REPLY REFER TO:

MAT:NDG

UNITED STATES
ATOMIC ENERGY COMMISSION
WASHINGTON 25, D. C.

JAN 21 1954

Major General P. W. Clarkson, USA
Commander, Joint Task Force SEVEN
Temporary "U" Building, Room 2005
12th and Constitution Avenue, N. W.
Washington 25, D. C.

Dear General Clarkson:

Presidential approval has been received for executing CASTLE
with March 1, 1954 as the starting date. Permission has also
been granted to detonate seven shots and to expend fissionable
and fusionable materials in the amounts indicated below.

This letter should be construed as your authority to execute
CASTLE as planned.

Sincerely yours,

K. D. Nichols
General Manager

Enclosure:
Cys 1A & 2A Fissionable and Fusionable
Material For CASTLE Devices

 ”
Suomi: Operaatio Castlen saatekirje.
Date
Source Originally from English Wikipedia.
Author United States Department of Energy

Licensing

Public domain This image is a work of a United States Department of Energy (or predecessor organization) employee, taken or made as part of that person's official duties. As a work of the U.S. federal government, the image is in the public domain.

Please note that national laboratories operate under varying licences and some are not free. Check the site policies of any national lab before crediting it with this tag.

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File history in English Wikipedia

date/time username resolution size edit summary
02:51, 8 September 2006 w:en:User:Imaginos 1510×2200 39 KB The United States Department of Defense, Defense Nuclear Agency (1982). Castle Series. Washington D.C.: United States Government Printing Office. (DNA 0635F) Cover letter

Image description page history in English Wikipedia

link date/time username edit summary
[1] 06:42, 6 November 2007 w:en:User:Jayvdb
[2] 02:51, 8 September 2006 w:en:User:Imaginos (The United States Department of Defense, Defense Nuclear Agency (1982). Castle Series. Washington D.C.: United States Government Printing Office. (DNA 0635F) Cover letter)

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21 January 1954

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