Fire controlman (abbreviated as FC) is a United States Navy occupational rating. Fire controlmen provide system employment recommendations; perform organizational and intermediate maintenance on digital computer equipment, subsystems, and systems; operate and maintain combat and weapons direction systems, surface-to-air and surface-to-surface missile systems, and gun fire control systems at the organizational and intermediate level; inspect, test, align, and repair micro/minicomputers and associated peripheral equipment, data conversion units, data display equipment, data link terminal equipment, print devices, and system related equipment; make analysis for detailed systems, computer programs, electronics, and electronic casualty control; and operate associated built-in and external test