Superb was the last of the Minotaurs to be built, and was completed to a slightly different design to that of the previous members of the class, with a foot more beam than her immediate predecessor HMS Swiftsure, which had introduced Type 274 lock and follow radar directors for surface action. With Superb the first Type 275 sets, modified versions of the lock and follow radar, were introduced to also control anti aircraft fire of the twin four inch mounts. Unfortunately the versions of 275 fitted were the British glasshouse director version, which had higher tolerances and less reliability than the American versions of the set, which were reserved for the latter Battle class destroyers and carriers Eagle and Ark Royal under construction and in particular the last battleship, Vanguard for i