It acts as an "interstage" between the primary fission stage and the secondary fusion stage.
Production of Fogbank originally ceased in 1989 at the Y-12 National Security Complex in Tennessee. By the time refurbishment began in 2000, most of the original expert staff had retired, and few manufacturing records remained. fogbank sassie 2000 exclusive
The government spent over $92 million and nearly a decade to reverse-engineer the "Sassie" era material to ensure the warheads remained functional through 2040. Why It is Considered "Exclusive" It acts as an "interstage" between the primary