 Three years later a second Barracks block, Married Quarters, Officers Quarters and a Hospital (later converted into the Sergeants' Mess) were completed.A large grassed area on the northern side of the hill was used for agistment of the horses.In 1914 with the commencement of World War I, the barracks were then used as hospital wards, firstly for sick recruits of the First Australian Imperial Force, then for the convalescing wounded from the Western Front, a use which continued for a year after the war concluded.