| ET = |  | ELECTRONICS TECHNICIAN |
| FC = |  | FIRE CONTROLMAN |
| FT = |  | FIRE CONTROL TECHNICIAN |
| GM = |  | GUNNERS MATE |
| GS = |  | GAS TURBINE SYSTEM TECHNICIAN |
| HM = |  | HOSPITAL CORPSMAN |
| HT = |  | BOATSWAINS MATE |
| IC = |  | INTERIOR COMMUNICATIONS ELECTRICIAN |
| MM = |  | MACHINISTS MATE |
| MR = |  | MACHINERY REPAIRMAN |
| MS = |  | MESS MANAGEMENT SPECIALIST |
| OS = |  | OPERATIONS SPECIALIST |