Performed maintenance on electronic equipment for surface ships, electronic air detection and tracking equipment, electronic recognition and identification equipment, aided to navigation, and electronic equipment and components used for communication, cryptography, and navigation; possess a general working knowledge of electricity and electronics.Read and interpreted schematics and block diagrams; used test equipment, and hand tools; repaired electrical/electronic cables and connectors; localized malfunctions and repairs and replaced faulty parts or sub-assemblies; aligned, adjusted, calibrated, and performed preventative maintenance on equipment; inventoried tools and portable test equipment; completed maintenance data forms. Maintained RADAR transmitting equipment, RADAR receiving equipment, RADAR identification equipment, and air navigation equipment; localized malfunction to systems, subsystems, circuits, and parts; inventoried installed equipment; completed maintenance reports.