| Abbreviation | Definition |
|---|---|
| SPXRT1 | ecialist (passenger Transportation) Petty Officer 1st Class |
| SPXRT1 | Specialist (passenger Transportation) Petty Officer 1st Class |
| SPXRT2 | ecialist (passenger Transportation) Petty Officer 2nd Class |
| SPXRT2 | Specialist (passenger Transportation) Petty Officer 2nd Class |
| SPXRT3 | ecialist (passenger Transportation) Petty Officer 3rd Class |
| SPXRT3 | Specialist (passenger Transportation) Petty Officer 3rd Class |
| SPXRTC | ecialist (passenger Transportation) Chief Petty Officer |
| SPXRTC | Specialist (passenger Transportation) Chief Petty Officer |
| SPXSB1 | ecialist (telephone Switchboard Operator) Petty Officer 1st Class |
| SPXSB1 | Specialist (telephone Switchboard Operator) Petty Officer 1st Class |
| SPXSB2 | ecialist (telephone Switchboard Operator) Petty Officer 2nd Class |
| SPXSB2 | Specialist (telephone Switchboard Operator) Petty Officer 2nd Class |
| SPXSB3 | ecialist (telephone Switchboard Operator) Petty Officer 3rd Class |
| SPXSB3 | Specialist (telephone Switchboard Operator) Petty Officer 3rd Class |
| SPXSBC | ecialist (telephone Switchboard Operator) Chief Petty Officer |
| SPXSBC | Specialist (telephone Switchboard Operator) Chief Petty Officer |
| SPXST1 | ecialist (strategic Service) Petty Officer 1st Class |
| SPXST1 | Specialist (strategic Service) Petty Officer 1st Class |
| SPXST2 | ecialist (strategic Service) Petty Officer 2nd Class |
| SPXST2 | Specialist (strategic Service) Petty Officer 2nd Class |