Where any studies/figures ever produced comparing costing/advantages of nuclear propulsion for the cv's - interesting possible conflict there with the French already using it for CdG, the EU greens and labour/lib dem 'no nuclear at any price anywhere'.
Incidentally, what is the current tally of serious surface RN warships, i.e. not including river launches, RIB's, survey, RFA etc., but units with a GUN that they can (or are allowed to) fire. When labour came to power I made it approx 52 out of a total of about 110 (plus the upholders up for sale - nice & shiny) - I recently estimated 15, (the type 45's can't last much longer, even if we had the oil available).
p.s. The river Fal fleet does not qualify.