| Abbreviation | Definition |
|---|---|
| GS1 | Gas Turbine System Technician Petty Officer 1st Class |
| GS1 | Guided Missleman Petty Officer 1st Class |
| GS1 | ided Missleman Petty Officer 1st Class |
| GS1 | s Turbine System Technician Petty Officer 1st Class |
| GS2 | Gas Turbine System Technician Petty Officer 2nd Class |
| GS2 | Guided Missleman Petty Officer 2nd Class |
| GS2 | ided Missleman Petty Officer 2nd Class |
| GS2 | s Turbine System Technician Petty Officer 2nd Class |
| GS3 | Gas Turbine System Technician Petty Officer 3rd Class |
| GS3 | Guided Missleman Petty Officer 3rd Class |
| GS3 | ided Missleman Petty Officer 3rd Class |
| GS3 | s Turbine System Technician Petty Officer 3rd Class |
| GSC | Gas Turbine System Technician Chief Petty Officer |
| GSC | Guided Missleman Chief Petty Officer |
| GSC | ided Missleman Chief Petty Officer |
| GSC | s Turbine System Technician Chief Petty Officer |
| GSCM | Gas Turbine System Technician Senior Chief Petty Officer |
| GSCM | s Turbine System Technician Senior Chief Petty Officer |
| GSCS | as Turbine System Technician Senior Chief Petty Officer |
| GSCS | Gas Turbine System Technician Senior Chief Petty Officer |