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The following are just a few excerpts from Atomic Audit: The Costs and Consequences of U.S. Nuclear Weapons Since 1940. (Parts of this book can be viewed online at: The Nuclear Weapons Cost Study Project.)
Total cost of the Manhattan project: (through August 1945)
$20 billion dollars
Total number of U.S. nuclear warheads and bombs built between 1945 and 1990:
More than 70,000 of 65 types
Number remaining in U.S. stockpile as of 1997:
12,500 (8,750 active, 2,500 contingency stockpile, 1,250 awaiting disassembly)
Number of nuclear warheads requested by the U.S. Army in 1956 and 1957:
151,000
Amount of plutonium remaining in U.S. nuclear weapons:
43 Metric tons
Number of thermometers which could be filled with mercury used to produce lithium-6 at the Oak Ridge Reservation:
11 billion
Number of dismantled plutonium "pits" stored at the Pantex Plant in Amarillo, Texas:
12,067 (as of May 6, 1999)
States with the largest number of nuclear weapons:
New Mexico (2,450), Georgia (2,000), Washington (1,685), Nevada (1,350), and North Dakota (1,140)
Money paid by the U.S. State Department to Japan following fallout from the 1954 "Bravo" test:
$15,300,000
Money paid to U.S. citizens under the Radiation Exposure and Compensation Act of 1990, as of January 13, 1998:
Approximately $225 million dollars (6,336 claims approved; 3,156 denied)
Total cost of the Aircraft Nuclear Propulsion (ANP) program, 1946-1961: (To design a nuclear-powered aircraft.)
$7 billion dollars
Total number of nuclear powered aircraft and hangers ever built:
0 and 1
First and last U.S. nuclear weapons tests:
July 16, 1945 ("Trinity") and September 23, 1992 ("Divider")
Estimated amount spent between October 1, 1992 and October 1, 1995 on nuclear testing activities:
$1.2 billon dollars to conduct 0 tests
Number of U.S. nuclear tests in Nevada:
911
Number of U.S. nuclear bombs lost in accidents and never recovered:
11
For many more amazing facts about the U.S. nuclear weapons program, see 50 Facts About U.S. Nuclear Weapons, by the Brookings Institute.