ESTIMATED NUCLEAR WARHEADS, STRATEGIC AND TACTICAL
From U.S. News And World Report:
The global financial order has been shaken. Could the global system to prevent nuclear proliferation be next?
Amid the pressures of the Cold War, the United States led the construction of an international system meant to encourage the secure use of the atom for energy and other peaceful purposes and discourage the spread of nuclear weapons to more countries. Then, as now, a breakdown of that system would heighten the risk that events of epic lethality—and untold victims—would, at some point, ensue.
As Barack Obama becomes president, worry about just such a breakdown is mounting among nonproliferation specialists and foreign policy strategists across the political spectrum. Warns Joseph Cirincione, author of Bomb Scare: The History and Future of Nuclear Weapons and president of the Ploughshares Fund, "We're on the verge of a system collapse."
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My Comment: Here is some interesting information on the history of nuclear tests:
The United States has conducted 1,127 nuclear and thermonuclear tests — 217 in the atmosphere.
The Soviet Union/ Russia conducted 969 tests — 219 in the atmosphere.
France, 210 tests, 50 in the atmosphere.
The United Kingdom, 45 tests — 21 in the atmosphere.
China, 45 tests — 23 in the atmosphere.
India and Pakistan — 13 tests underground.
Israel — possible 1 test atmosphere South Africa 1979.
North Korea — 1 test underground, October 2006.