Previously Held NEC RM-2304-Morse Code Operator
RM-2342-Teletype Repairman
RM-2343-Communications Maintainer
RM-2346-Low Level Keying Teletype Maintenance
RM-2321-Surface Communications Systems Operator
RM-2313-Independent Duty Radioman
RM-2318-Communications System Technical Control Operator
IT-0000-Information Systems Technician