The Water, Fuels and Environmental Technician (WFE TECH) provides water supply, waste water treatment and environmental engineering support to operational units so that they may live, move and fight on the battlefield and deny enemy troops the same ability. During peacetime, WFE TECHs maintain their skills while employed at home units or on humanitarian and United Nations operational assignments. The WFE TECH occupation is one of seven Construction Engineering occupations involved in the supply of all construction, civil, electrical and mechanical engineering services in support of Canadian Forces operations worldwide.