The Outrider Foundation provides information on nuclear weapons and global warming. They’ve prettied up my words with an impressive set of pictures.
An American test would likely be answered by Russian and Chinese tests, and perhaps by others. Although the United States, Russia, and China have mature arsenals and don’t need the tests to improve design, other countries like India, Pakistan, and North Korea would see an American test as an excuse to improve their designs to fit on smaller missiles.
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