Missile technician (abbreviated as MT) is a United States Navy occupational rating. MTs operate, test, maintain, troubleshoot, and repair ballistic missile weapons systems. He aligns, calibrates, troubleshoots and repairs all areas of the missile system, launcher system, and various test systems; troubleshoots and repairs digital, electrical, and electronic systems; troubleshoots and repairs cooling and heating systems as well as control systems using electromechanical devices, hydraulics, and pneumatics; uses standard electronic test equipment such as meters, oscilloscopes, logic probes, and logic analyzers; uses DOS-based computers for word processing as well as other administrative record keeping tasks.