| Abbreviation | Definition |
|---|---|
| GMM3 | nner's Mate (missiles) Petty Officer 3rd Class |
| GMM3 | nner's Mate (mounts) Petty Officer 3rd Class |
| GMMC | Gunner's Mate (mounts) Chief Petty Officer |
| GMMC | nner's Mate (mounts) Chief Petty Officer |
| GMMSA | Gunner's Mate (missiles) Seaman Apprentice |
| GMMSA | Gunner's Mate (mounts) Seaman Apprentice |
| GMMSA | nner's Mate (missiles) Seaman Apprentice |
| GMMSA | nner's Mate (mounts) Seaman Apprentice |
| GMMSN | Gunner's Mate (missiles) Seaman |
| GMMSN | Gunner's Mate (mounts) Seaman |
| GMMSN | nner's Mate (missiles) Seaman |
| GMMSN | nner's Mate (mounts) Seaman |
| GMMSR | Gunner's Mate (missiles) Seaman Recruit |
| GMMSR | Gunner's Mate (mounts) Seaman Recruit |
| GMMSR | nner's Mate (missiles) Seaman Recruit |
| GMMSR | nner's Mate (mounts) Seaman Recruit |
| GMSA | Gunner's Mate Seaman Apprentice |
| GMSA | nner's Mate Seaman Apprentice |
| GMSN | Gunner's Mate Seaman |
| GMSN | nner's Mate Seaman |