 Those that continued included the "Cape Town Volunteer Engineers" (later "Cape Garrison Artillery") (1879–1958); and the Griqualand West units that were taken over when that province was annexed to the colony in 1880 and later amalgamated to form the "Kimberley Regiment".The "Frontier Armed and Mounted Police", and burgher and volunteer units fought the Xhosa in the Transkei and the Ciskei in the 9th Frontier War (1877–1878).After the war, in 1878, the government organised the military forces into a single organisation, under a Defence Department headed by a commandant-general.