Frontier Works Organisation (also known as FWO) is a construction and military engineering administrative branch of the Pakistani Army that was created in 1966. It is the part of the Pakistan Army Corps of Engineers and it has credited to build numerous bridges, roads, tunnels, airfields and dams in Pakistan. A popularly known unit, the FWO has credited to design and constructed the Karakoram Highway as well as building numerous civil and military infrastructure for the Government of Pakistan and the Pakistani Armed Forces.