Seldomfitforpurpose
all Warrant Officers were Corporals is a fact,
However, while some Warrant Officers and MACR's could have been SAC's not all Warrant Officers were SAC's as Direct Entrants and Craft Apprentices passed out of training as Jnr Techs nor would all Warrant Officers have been Jnr Techs as Supertechs passed out of training as Corporals up until the early 70's