Indeed, this is actually the motivation for the National Ignition Facility at Lawrence Livermore. The accomplishment of demonstrating net-positive fusion was an

Indeed, this is actually the motivation for the National Ignition Facility at Lawrence Livermore. The accomplishment of demonstrating net-positive fusion was announced with an "atoms for peace" spin, but it really signaled to other nuclear powers we can do quite a bit of R&D without mesoscale detonations.