| Abbreviation | Definition |
|---|---|
| SPXKP1 | ecialist (key Punch Operator & Supervisor) |
| SPXKP1 | Specialist (key Punch Operator & Supervisor) |
| SPXKP2 | ecialist (key Punch Operator & Supervisor) Petty Officer 2nd Class |
| SPXKP2 | Specialist (key Punch Operator & Supervisor) Petty Officer 2nd Class |
| SPXKP3 | ecialist (key Punch Operator & Supervisor Petty Officer 3rd Class |
| SPXKP3 | Specialist (key Punch Operator & Supervisor Petty Officer 3rd Class |
| SPXKPC | ecialist (key Punch Operator & Supervisor) Chief Petty Officer |
| SPXKPC | Specialist (key Punch Operator & Supervisor) Chief Petty Officer |
| SPXNC1 | ecialist (naval Correspondence) Petty Officer 1st Class |
| SPXNC1 | Specialist (naval Correspondence) Petty Officer 1st Class |
| SPXNC2 | ecialist (naval Correspondence) Petty Officer 2nd Class |
| SPXNC2 | Specialist (naval Correspondence) Petty Officer 2nd Class |
| SPXNC3 | ecialist ((naval Correspondence)) Petty Officer 3rd Class |
| SPXNC3 | Specialist ((naval Correspondence)) Petty Officer 3rd Class |
| SPXNCC | ecialist (naval Correspondence) Chief Petty Officer |
| SPXNCC | Specialist (naval Correspondence) Chief Petty Officer |
| SPXOP1 | ecialist (special Project) Petty Officer 1st Class |
| SPXOP1 | Specialist (special Project) Petty Officer 1st Class |
| SPXOP2 | pecialist (special Project) Petty Officer 2nd Class |
| SPXOP2 | Specialist (special Project) Petty Officer 2nd Class |