TM 9-2350-261-10SMOKE GRENADE LAUNCHER KIT M113A2 AND M1059. This kit allowsinstallation of two smoke grenade launchers on the front of the carrier below theheadlights. The smoke grenade launchers enable the carrier to generate a smokescreen to conceal the carrier from enemy observation. Each launcher contains a discharger with four launch tubes that hold one grenade each. The arming firingunit (control box) is mounted on the firewall in the crew compartment.146