1. History 1945 United States 1952 Soviet Union Cold war Bib Nuclear Arms Race

2. History of Nuclear weapons Marshall Plan-rebuilding and creating a stronger economic foundation for the countries of Western Europe, and repelling the threat of internal communism after WWII Manhattan Project- The Manhattan project is the code name for the U.S. Government ‘s secret project that was established before WWII and culminated in the development of the nuclear bomb. WWII- First atomic bomb used in war was dropped by plane on Hiroshima and Nagasaki 1939-1941 Yakov Zel’dovich and Yuli Khariton set groundwork for later atomic bomb development

3. United States Nuclear Program- First country in the world to build the first nuclear bomb and use it in war. H-Bomb (1952)- Real name Hydrogen bomb Atlas missile (1957)- missile began with the US Army Air Corps request for proposal in October 1945, which led to development in the 1950’s of the Atlas, Navaho, Snark, and Matador/Mace missiles Minuteman missile (late 1950’s)- The Minuteman weapon system was conceived in the late 1950s and deployed in the early 1960s. – Minuteman was a revolutionary concept and an extraordinary technical achievement

4. Soviet Union Soviet weapons program proper began in 1943 during World War II, under the leadership of physicist Igor Vasilievich Kurchatov Test: First Lightning/"Joe-1 Time: 07:00 29 August 1949 Location: Semipalatinsk Test Site, Kazakhstan Test Height and Type: Tower Soviet Union started a new type of program called Thermonuclear weapons program.

5. Cold War Political war threatened with nuclear weapons United States vs. Soviet Union Both countries had nuclear weapons and both would use them but didn’t cause if they used them the other country would to so no one ever used there nuclear weapons in the cold war all they did was make them better

6. Bibliography Page www.spartacus.schoolnet.co.uk/COLDnuclear arms.htm www.spartacus.schoolnet.co.uk/COLDnuclear arms.htm http://nuclearweaponarchive.org/Russia/Sov wpnprog.html http://nuclearweaponarchive.org/Russia/Sov wpnprog.html