642 - CODE TALKER

Transmits and receives messages in a restricted language by radio and wire.

646 - TELEPHONE ELECTRICIAN  
[TP ELECT]

Inspects, tests, and repairs telephone and telegraph equipment such as telephone subsets, telegraph instruments, telephone switchboards, and associated equipment used in a field telephone system.

648 - SIGNAL ELECTRICIAN  
[SIG ELECT]

Inspects, installs, tests, and repairs all signal and telephone and telegraph equipment such as radio transmitting and receiving instruments, telephone subsets, telegraph instruments, telephone switchboards, and teletypewriters.

649 - RADIO TECHNICIAN  
[RADIO TECH]

Maintains and repairs all types of radio equipment, such as fixed station and field radio transmitting and receiving apparatus and aircraft transmitting and receiving equipment.

654 - RADIO RELAY TECHNICIAN  
[RADIO RELAY TECH]

Inspects, installs, tests, operates, and repairs radio sets, amplifying equipment, and antennae used in telephone systems as radio links in areas in which continuous wire lines are impractical.

667 - MESSAGE CENTER MAN  
[MSG CEN MAN]

Performs one or more of the duties involved in the operation of a message center, such as receiving, dispatching, logging, distributing, and delivering messages, communications, and publications.

739 - INTERCEPT OPERATOR-JAPANESE
[INTERCEPT OPER-J]

Identifies and intercepts Japanese radio code signals by means of a radio receiver.

759 - RADIO TECHNICIAN, VHF  
[RADIO TECH, VHF]

Installs, inspects, tests, and repairs very high frequency radio equipment.