I’d like to see more tech like this developed, tested, and put into regular use. It’s not, say, an Epstein Drive from The Expanse; but as a certain character from a geeky science fiction western would say, “This is the way.”
Am I concerned about the nuclear power source? I lived and worked on a nuclear powered submarine for years that has continued to safely plow the seas carying new generations of sailors for decades; so the answer to that question would be a, “No.”