| Abbreviation | Definition |
|---|---|
| ASCS | Aviation Support Equipment Technician Senior Chief Petty Officer |
| ASE2 | Aviation Support Equipment Technician (electrical) Petty Officer 2nd Class |
| ASE3 | Aviation Support Equipment Technician (electrical) Petty Officer 3rd Class |
| ASEAA | Aviation Support Equipment Technician (electrical) Airman Apprentice |
| ASEAN | Aviation Support Equipment Technician (electrical) Airman |
| ASEAR | Aviation Support Equipment Technician (electrical) Airman Recruit |
| ASEG | Apprentice Seaman (electrician - General) |
| ASH2 | Aviation Support Equipment Technicain (hydraulic) Petty Officer 2nd Class |
| ASH3 | Aviation Support Equipment Technician (hydraulic) Petty Officer 3rd Class |
| ASHAA | Aviation Support Equipment Technician (hydraulic) Airman Apprentice |
| ASHAN | Aviation Support Equipment Technician (hydraulic) Airman |
| ASHAR | Aviation Support Equipment Technician (hydraulic) Airman Recruit |
| ASM2 | Aviation Support Equipment Technician (mechanical) Petty Officer 2nd Class |
| ASM3 | Aviation Support Equipment Technician (mechanical) Petty Officer 3rd Class |
| ASMAA | Aviation Support Equipment Technician (mechanical) Airman Apprentice |
| ASMAN | Aviation Support Equipment Technician (mechanical) Airman |
| ASMAR | Aviation Support Equipment Technician (mechanical) Airman Recruit |
| ASR | Apprentice Seaman Radio |
| ASSTENGR | Assistant Engineer |
| ASSTMATA | Assistant Master-at-arms |