| Abbreviation | Definition |
|---|---|
| SPXPL1 | ecialist (plastics Expert) Petty Officer 1st Class |
| SPXPL1 | Specialist (plastics Expert) Petty Officer 1st Class |
| SPXPL2 | ecialist (plastics Expert) Petty Officer 2nd Class |
| SPXPL2 | Specialist (plastics Expert) Petty Officer 2nd Class |
| SPXPL3 | ecialist (plastics Expert) Petty Officer 3rd Class |
| SPXPL3 | Specialist (plastics Expert) Petty Officer 3rd Class |
| SPXPLC | ecialist (plastics Expert) Chief Petty Officer |
| SPXPLC | Specialist (plastics Expert) Chief Petty Officer |
| SPXPR1 | ecialist (public Information) Petty Officer 1st Class |
| SPXPR1 | Specialist (public Information) Petty Officer 1st Class |
| SPXPR2 | ecialist (public Information) Petty Officer 2nd Class |
| SPXPR2 | Specialist (public Information) Petty Officer 2nd Class |
| SPXPR3 | ecialist (public Information) Petty Officer 3rd Class |
| SPXPR3 | Specialist (public Information) Petty Officer 3rd Class |
| SPXPRC | ecialist (public Information) Chief Petty Officer |
| SPXPRC | Specialist (public Information) Chief Petty Officer |
| SPXQM1 | ecialist (operations-plotting & Chart Work) Petty Officer 1st Class |
| SPXQM1 | Specialist (operations-plotting & Chart Work) Petty Officer 1st Class |
| SPXQM2 | ecialist (operations-plotting & Chart Work) Petty Officer 2nd Class |
| SPXQM2 | Specialist (operations-plotting & Chart Work) Petty Officer 2nd Class |