A rocket launcher system and a method for controlling a rocket launcher system. The rocket launcher system is placed below deck on a ship to improve the ship's stealth capability and includes a launcher, a charger and a magazine containing one or more different types of rocket missiles. According to the method for controlling the rocket launcher system, an operating signal including preparation data is transferred to the rocket launcher system from one or more operators. The preparation data is transferred to a rocket missile and a charger takes the rocket missile from a magazine and charges a launcher. A hatch in the ship's deck is opened, and the launcher sights the rocket missile at a target area.