748 - MECHANIC-GUNNER, AVIATION  
[MECH-GUNNER, AVN]

Combines the duties of Mechanic, Aircraft (SSN 747) and Aerial Gunner (SSN 611).

750 - LEADING CHIEF, AVIATION   
[LDG CHF, AVN]

Serves as general supervisor of an airplane service and maintenance unit.

751 - ENGINEERING CHIEF, AVIATION (Designated Type)   
[ENGRG CHF, AVN (***)]

Supervises the work of Mechanics, Aircraft (SSN 747), Engine Overhaul Mechanics, Aircraft (SSN 684), and other specialists engaged in repairing and reassembling damaged airplanes.

752 - LINE CHIEF AVIATION (Designated Type)  
[LINE CHF, AVN (***)]

Supervises Mechanics, Aircraft (SSN 747) engaged in preparing aircraft for return to service.

755 - RADIO OPERATOR, AERIAL   
[RADIO OPER, AERIAL]

Operates airborne radio equipment in accordance with prescribed naval regulations.

756 - RADAR-RADIO OPERATOR, AERIAL  
[RADAR-RADIO OPER, AERIAL]

Operates airborne radar and radio equipment in accordance with prescribed naval regulations.

757 - RADIO-GUNNER, AVIATION   
[RADIO-GUNNER, AVN]

An air crewman who combines the duties of Radio Operator, Aerial (SSN 755) and Aerial Gunner (SSN 611).

758 - RADAR-RADIO-GUNNER, AVIATION (Designated Equipment)  
radar-radio-gunner, AVN (***)]

An air crewman who combines the duties of a Radar-Radio Operator, Aerial (SSN 756) and Aerial Gunner (SSN 611).