2-350. The vehicle smoke grenade launchers can provide a screening, incendiary, marking, and casualty-producing effect. It produces a localized, instantaneous smoke cloud by scattering burning WP particles. The 120-mm heavy mortar and 81-mm medium mortar WP and red phosphorus rounds produce a long-lasting and wide area smoke screen and can be used for incendiary effects, marking, obscuring, screening , and casualty producing. The 60-mm lightweight company mortar WP round can be used as a screening, signaling, and incendiary agent. All mortar smoke rounds can be used as an aid in target location and navigation.