One of the few good things about US President #45 is that he's promised to modernise the nuclear arsenal - if it happens they'll need to restart Plutonium production.
I don't think 238Pu is actually used in modern weapons, near-solid-state neutron pulse generators based on electrostatic accelerators have seen to that.
Irradiation of Neptunium to produce it has recommenced, albeit on a very small scale, and production is even mooted at Darlington in Ontario - CANDUs in Ontario already produce most of the world's supply of industrial 60Co so its not unreasonable they could do it too, they certainly have flux densities that research reactors could only dream of.
But the ASRG is necessary if we are going to get any significant expansion in space based activities in the outer solar system.
And I would love a titan aerostat and a float lander as well at some point.
Honestly I would a billion pounds a year or so to be thrown at a British outer-system programme based upon automated probes of various types - if you recall the effect on the public conciousness of
Pathfinder in 1997 - I think there is an appetite.
