For the near future, it will almost certainly be used to comply with the moratorium on nuclear testing.
Over the last ~20 years many of the biggest supercomputers on the TOP500 list were purchased to run simulations of the aging US nuclear stockpile to answer maintenance questions that formerly required active testing.
Over the last ~20 years many of the biggest supercomputers on the TOP500 list were purchased to run simulations of the aging US nuclear stockpile to answer maintenance questions that formerly required active testing.
https://en.wikipedia.org/wiki/Accelerated_Strategic_Computin...