| Abbreviation | Definition |
|---|---|
| SPXOP3 | ecialist (special Project) Petty Officer 3rd Class |
| SPXOP3 | Specialist (special Project) Petty Officer 3rd Class |
| SPXOPC | ecialist (special Project) Chief Petty Officer |
| SPXOPC | Specialist (special Project) Chief Petty Officer |
| SPXPC1 | ecialist (position Classifier) Petty Officer 1st Class |
| SPXPC1 | Specialist (position Classifier) Petty Officer 1st Class |
| SPXPC2 | ecialist (position Classifier) Petty Officer 2nd Class |
| SPXPC2 | Specialist (position Classifier) Petty Officer 2nd Class |
| SPXPC3 | ecialist (position Classifier) Petty Officer 3rd Class |
| SPXPC3 | Specialist (position Classifier) Petty Officer 3rd Class |
| SPXPCC | ecialist (position Classifier) Chief Petty Officer |
| SPXPCC | Specialist (position Classifier) Chief Petty Officer |
| SPXPI1 | ecialist (pigeon Trainer) Petty Officer 1st Class |
| SPXPI1 | Specialist (pigeon Trainer) Petty Officer 1st Class |
| SPXPI2 | ecialist (pigeon Trainer) Petty Officer 2nd Class |
| SPXPI2 | Specialist (pigeon Trainer) Petty Officer 2nd Class |
| SPXPI3 | ecialist (pigeon Trainer) Petty Officer 3rd Class |
| SPXPI3 | Specialist (pigeon Trainer) Petty Officer 3rd Class |
| SPXPIC | ecialist (pigeon Trainer) Chief Petty Officer |
| SPXPIC | Specialist (pigeon Trainer) Chief Petty Officer |