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TTBTThreshold Test Ban Treaty
TTBTTail Tendon Break Time (aging biomarker)
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Safeguards were modified in 1990 as part of the resolutions of ratification for the Threshold Test Ban Treaty and Peaceful Nuclear Explosions Treaty.
Photo: A Comprehensive or very low Threshold Test Ban Treaty by itself would not reduce stockpiles of existing nuclear weapons or end the arms race, but it could impinge on the development of new weapons designs.
With the present state of technology, most experts agree that seismic networks can easily detect events well below the 150 kiloton (KT) limit of the Threshold Test Ban Treaty (TTBT).
In 1974, the Nixon Administration and the Soviet Union negotiated the Threshold Test Ban Treaty (TTBT), setting a 150-kiloton ceiling on the yield of underground nuclear weapon tests.
The Nixon Administration negotiated the Threshold Test Ban Treaty (TTBT) with the Soviet Union in 1974, which limits underground tests to a yield of 150 kilotons.