Specific duties may include: repairing and maintaining artillery and infantry weapons; cleaning and maintaining gyroscopes, sights, and other electro-optical fire control components; repairing and maintaining missile mounts, platforms, and launch mechanisms; testing and adjusting weapons firing, guidance, and launch systems; replacing or repairing faulty electrical, hydraulic, and mechanical assemblies; and testing equipment for fault isolation. Job training for an MLRS Repairer consists of 10 weeks of Basic Training, where you'll learn basic Soldiering skills, and 19 weeks of classroom instruction, including practice in repairing and replacing equipment parts.