Also, they tend to use much higher enrichment ratios on the fuel from what I have read. I guess that is all for the fast power output regulation as you write. S

Also, they tend to use much higher enrichment ratios on the fuel from what I have read. I guess that is all for the fast power output regulation as you write. Stunning technology and a security nightmare, just imagine a nuclear sub bumping into a click in territorial waters of a not-so-friendly nation and making the area uninhabitable.