Prometheus 6

Robert W. Nelson, senior scientist at the Union of Concerned Scientists, said that based on the recently released plutonium studies, the submarine-launched warhead up for replacement under the RRW program, the W-76, has a minimum age for reliability of about 85 years. Production of the W-76, the warhead for the Trident I and Trident II sub-launched missiles, began in 1978 and ended in 1987, during which time about 3,000 were turned out. The Trident I can carry up to eight warheads, the Trident II up to 14. 

New Nuclear Weapons Program To Continue
By Walter Pincus
Washington Post Staff Writer
Saturday, December 2, 2006; A07