Did a Warhead’s Refurbishment Enhance its Military Capabilities?

The MC7400 AF&F unit on the new W76-1/Mk4A warhead contains a super-fuze that dramatically increases its hard target kill capability. Image: Sandia National Laboratories

The MC7400 AF&F unit on the new W76-1/Mk4A warhead contains a super-fuze that dramatically increases its hard target kill capability. Image: Sandia National Laboratories

January 15, 2018 | Source: Physics Today, physicstoday.scitation.org, 17 November 2017

In a brief press release last month, the US Department of Energy’s National Nuclear Security Administration (NNSA) announced it had completed, on time and within budget, the manufacturing of a key replacement component for submarine-launched nuclear warheads. What the release didn’t say is how the new device reportedly dramatically increases the capability of refurbished weapons to reliably destroy missile silos or other hardened underground targets.

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