Submarines, as subsurface launching platforms, present an important threat to conventional naval operations. Anechoic coatings and ultra-quiet pump-jets provide modern submarines with the advantage of stealth. The move towards shallow water operations has greatly increased this advantage. Mere suspicion of a submarine threat can force a fleet to commit resources to removing it, as the consequences of an undetected enemy submarine can obviously be lethal. The threat posed by British submarines during the Falklands War of 1982 was one of the reasons why the Argentine Navy was limited in its operations. A single submarine at sea also impacted operations in the Indo-Pakistani Naval War of 1971.