 Between the wars a number of working structures, such as sheds and garages were built, and in 1928 a wooden signal tower was constructed to take over from the signal station at Arthur Head.After World War II, Major General John Whitelaw, took up residence at the Commanding Officer's Quarters, known as Gun House.This established a tradition for the most senior serving officer to reside at the site; eighteen serving regional commanders have lived there since 1946.