1、 https:/crsreports.congress.gov Updated January 5, 2021A Low-Yield, Submarine-Launched Nuclear Warhead: Overview of the Expert DebateThe Low-Yield D-5 Warhead The Trump Administration developed a new low-yield version of the W-76 warhead for existing submarine-launched Trident II (D-5) missiles. Unc
2、lassified sources state that the existing W76-1 warhead has an explosive yield of around 100 kilotons. The National Nuclear Security Administration (NNSA) has said the low-yield version, the W76-2, would be configured “for primary-only detonation.” This could mean a yield of less than 10 kilotons. C
3、ongress appropriated $65 million for the W76-2 warhead in FY2019 and $10 million to complete work in FY2020. It also authorized $19.6 million in FY2020 for the Navy to integrate the warhead into the submarine force. NNSA completed the first modified warhead in February 2019, began delivering warhead
4、s to the Navy by late 2019, and completed the deliveries during FY2020. The Pentagon reported in February 2020 that the Navy had begun deploying the warheads by that time. NNSA did not disclose the total number produced, although it is likely just a very small portion of the W76 stockpile (estimated
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