Atomic Energy Act of 1946

E3998

The Atomic Energy Act of 1946 was a landmark U.S. law that established civilian control over nuclear energy and created the Atomic Energy Commission to oversee the development and regulation of nuclear technology after World War II.


Statements (48)
Predicate Object
instanceOf United States federal statute
nuclear energy law
amendedBy Atomic Energy Act of 1954
appliesTo nuclear research facilities in the United States
nuclear weapons production facilities in the United States
possession and use of fissionable materials in the United States
authorized federal control of all fissionable material production
branchAffected executive branch of the United States
legislative branch of the United States
citation 60 Stat. 755
country United States
created category of Restricted Data
framework for classification of nuclear information
createdAgency United States Atomic Energy Commission
effectiveDate 1946-08-01
enactedBy United States Congress
established United States Atomic Energy Commission
civilian control over atomic energy in the United States
governedBy principle of civilian control of atomic energy
historicalContext early Cold War
post–World War II nuclear policy
influenced United States nuclear nonproliferation policy
United States nuclear weapons policy
introducedBy Brien McMahon
jurisdiction federal
legislativeBody United States House of Representatives
United States Senate
prohibited private ownership of fissionable materials
publicLawNumber Public Law 79-585
purpose to control the development and use of atomic energy for both military and civilian purposes
to ensure government monopoly over fissionable materials
to regulate nuclear research and production facilities
relatedTo Atomic Energy Act of 1954
Manhattan Project
United States Atomic Energy Commission
replaced wartime military control of atomic energy in the United States
restricted dissemination of atomic energy information
sharing of nuclear information with foreign governments
resultedIn creation of a government monopoly on nuclear technology in the United States
transfer of atomic energy control from the U.S. military to civilian authorities
shortName McMahon Act
signedBy Harry S. Truman
signingDate 1946-08-01
subjectMatter fissionable materials
national security
nuclear energy
nuclear weapons
supersededBy Atomic Energy Act of 1954


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