The World - News from April 4, 1988
The Soviet Union detonated an underground nuclear blast at its test range in Semipalatinsk, in the republic of Kazakhstan--the third such test announced by the Soviets this year, the official Tass news agency reported. It said the blast had a yield of 20 to 150 kilotons and was “carried out with a view to upgrading military technology.” In January, an American scientific delegation visited the Semipalatinsk range to gather information that may be used in verifying U.S.-Soviet compliance with a future test ban.
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