| Abbreviation | Definition |
|---|---|
| ESFSA | Firefighter Seaman Apprentice |
| ESFSA | refighter Seaman Apprentice |
| ESFSN | Firefighter Seaman |
| ESFSN | refighter Seaman |
| ESFSR | Firefighter Seaman Recruit |
| ESFSR | refighter Seaman Recruit |
| ESG1 | Port Security Patrolman Petty Officer First Class |
| ESG1 | rt Security Patrolman Petty Officer First Class |
| ESG2 | Port Security Patrolman Petty Officer Second Class |
| ESG2 | rt Security Patrolman Petty Officer Second Class |
| ESG3 | Port Security Patrolman Petty Officer Third Class |
| ESG3 | rt Security Patrolman Petty Officer Third Class |
| ESGSA | Port Security Patrolman Seaman Apprentice |
| ESGSA | rt Security Patrolman Seaman Apprentice |
| ESGSN | Port Security Patrolman Seaman |
| ESGSN | rt Security Patrolman Seaman |
| ESGSR | Port Security Patrolman Seaman Recruit |
| ESGSR | rt Security Patrolman Seaman Recruit |
| ESH1 | Harbor Defense (sonarman) Petty Officer 1st Class |
| ESH1 | rbor Defense (sonarman) Petty Officer 1st Class |