The conventional prompt global strike program has the goal of being able to hit anywhere on earth within one hour.
They are developing the cone hypersonic glide body.
The Strategic Systems Programs (SSP) was given funding at the start of this fiscal year to develop and field a small number of “76-2” low-yield weapons.
The old W76 nuclear warhead and Trident D5 missile will likely still be the basis of the new hypersonic weapon.