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Response in the West::RDS-1

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Soviet::atomic    Weapon::nuclear    First::category    Title::union    Peslyak::design    Truman::nuclear

Response in the West The test surprised the Western powers. American intelligence had estimated that the Soviets would not produce an atomic weapon until 1953, while the British did not expect it until 1954.<ref name="aldrich199807">{{#invoke:Citation/CS1|citation |CitationClass=journal }}</ref> When the radioactive fission products from the test were detected by the US Air Force, the US began to follow the trail of the nuclear fallout debris.<ref name="burr20090922">U.S. Intelligence and the Detection of the First Soviet Nuclear Test, September 1949, William Burr, Washington, DC, September 22, 2009</ref> President Truman notified the world of the situation on September 23, 1949: "We have evidence that within recent weeks an atomic explosion occurred in the U.S.S.R."<ref name="Truman">{{#invoke:citation/CS1|citation |CitationClass=web }}</ref> (Truman's statement likely in turn surprised the Soviets, who had hoped to keep the test a secret to avoid encouraging the Americans to increase their atomic programs, and did not know that the United States had built a test-detection system using the WB-29 Superfortress.Unknown extension tag "ref") The announcement was a turning point in the Cold War that had just begun. The Green Run was a secret test carried out to help the US Air Force's reconnaissance for future detections of Soviet atomic tests.<ref name="Miller">{{#invoke:citation/CS1|citation |CitationClass=book }} (See Google Books)</ref>

Once the Soviet Union was confirmed to be in possession of the atomic bomb, pressure mounted to develop the first hydrogen bomb.<ref name="Truman" />


RDS-1 sections
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Response in the West
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