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W88 Alteration 370 Fact Sheet

February 23, 2017

The National Nuclear Security Administration maintains and enhances the safety, security, and effectiveness of the U.S. nuclear weapons stockpile without nuclear explosive testing. The W88 Alteration 370 is essential to enabling the NNSA to accomplish its mission to certify the effectiveness of the nation’s nuclear deterrent.

Read more about the W88 Alt 370.