| Abbreviation | Definition |
|---|---|
| SP1 | Specialist 1st Class Petty Officer |
| SP2 | ecialist 2nd Class Petty Officer |
| SP2 | Specialist 2nd Class Petty Officer |
| SP3 | ecialist 3rd Class Petty Officer |
| SP3 | Specialist 3rd Class Petty Officer |
| SPA1 | ecialist(physical Training Instructor) 1st Class Petty Officer |
| SPA1 | Specialist(physical Training Instructor) 1st Class Petty Officer |
| SPA2 | ecialist(physical Training Instructor) 2nd Class Petty Officer |
| SPA2 | Specialist(physical Training Instructor) 2nd Class Petty Officer |
| SPA3 | ecialist(physical Training Instructor) 3rd Class Petty Officer |
| SPA3 | Specialist(physical Training Instructor) 3rd Class Petty Officer |
| SPC1 | ecialist (classification Interviewer) |
| SPC1 | Specialist (classification Interviewer) |
| SPC2 | ecialist (classification Interviewer) |
| SPC2 | Specialist (classification Interviewer) |
| SPC3 | ecialist (classification Interviewer) |
| SPC3 | Specialist (classification Interviewer) |
| SPCM | eam Propulsion Man(master Chief Petty Officer) |
| SPCM | Steam Propulsion Man(master Chief Petty Officer) |
| SPECWAR | Chief Special Warfare Technician |