Post war modernisation proposals were limited by the tight war emergency design which offered inadequate space and weight for the fire control and magazines for four or five 3-inch twin 70 turrets combined with the fact the heavy-to-handle 5.25-inch shells fitted when the cruisers were built had a large burst shock which made them a more effective high level AA weapon than post war RN 4.5-inch guns. was rebuilt for potential action alongside against the post-war Soviet s and s. In 1956, "Royalist" was loaned to the Royal New Zealand Navy (RNZN), with whom it served until 1966.