Alcotan-100 is an anti-tank weapon used by the infantry. Produced in Spain by Instalaza since 1998, it is a shoulder-fired , recoiless rocket launcher. It consists of a 100-mm-caliber, reusable tube fitted with a fire control unit and a laser rangefinder for day and night operations. This system is called VOSEL fire control system, which features a ballistic computer. It has a maximum range of 600 m (1,900 feet). Alcotan-100 has successfully been used in combat action in Afghanistan by the Spanish Army.