Served in Port Moresby A.N.G. as a Sapper: (abbreviated Spr) is the Royal Engineers' equivalent of Private. This is also the case within the Indian Army Corps of Engineers, Canadian, Royal Australian Engineers and Royal New Zealand Engineers. The term Sapper was introduced in 1856 when the Corps of Royal Sappers and Miners was amalgamated with the officer Corps of Royal Engineers to form the Corps of Royal Engineers.