| Abbreviation | Definition |
|---|---|
| SPOC | Specialist (mailman) Chief Petty Officer |
| SPOEN1 | ecialist (engineering Inspectors) Petty Officer 1st Class |
| SPOEN1 | Specialist (engineering Inspectors) Petty Officer 1st Class |
| SPOEN2 | ecialist (engineering Inspectors) Petty Officer 2nd Class |
| SPOEN2 | Specialist (engineering Inspectors) Petty Officer 2nd Class |
| SPOEN3 | ecialist (engineering Inspectors) Petty Officer 3rd Class |
| SPOEN3 | Specialist (engineering Inspectors) Petty Officer 3rd Class |
| SPOENC | ecialist (engineering Inspectors0 Chief Petty Officers |
| SPOENC | Specialist (engineering Inspectors0 Chief Petty Officers |
| SPOOR1 | ecialist (ordnance Inspectors) Petty Officer 1st Class |
| SPOOR1 | Specialist (ordnance Inspectors) Petty Officer 1st Class |
| SPOOR2 | ecialist (ordnance Inspectors) Petty Officer 2nd Class |
| SPOOR2 | Specialist (ordnance Inspectors) Petty Officer 2nd Class |
| SPOOR3 | ecialist (ordnance Inspectors) Petty Officer 3rd Class |
| SPOOR3 | Specialist (ordnance Inspectors) Petty Officer 3rd Class |
| SPOORC | pecialist (ordnance Inspectors) Chief Petty Officer |
| SPOORC | Specialist (ordnance Inspectors) Chief Petty Officer |
| SPOPE1 | ecialist (petroleum Technicians) Petty Officer 1st Class |
| SPOPE1 | Specialist (petroleum Technicians) Petty Officer 1st Class |
| SPOPE2 | ecialist (petroleum Technicians) Petty Officer 2nd Class |