Will America Help Britain Build a New Nuclear Warhead?

The future of the United Kingdom’s nuclear deterrent depends, in part, on decisions being made right now in the U.S. Congress. At stake are Britain’s plans to build a replacement for its current nuclear warhead. According to the U.K. defense secretary and senior U.S. officials, the United Kingdom’s program is reliant on the United States pursuing its own new warhead program of record, the W93. But the Donald Trump administration’s Fiscal Year 2021 request for funds for the W93 was first nixed by House appropriators and then excluded from the stopgap continuing resolution. It is neither clear whether the W93 program will eventually make it into the budget proper, nor whether it would be taken up immediately by a potential incoming Joe Biden administration....