| Abbreviation | Definition |
|---|---|
| ACRC | Air Controlman (radar) Chief Petty Officer |
| ACRM | Aviation Chief Radioman |
| ACRT | Aviation Chief Radio Technician |
| ACT1 | Air Controlman (tower) Petty Officer 1st Class |
| ACT2 | Air Controlman (tower) Petty Officer 2nd Class |
| ACT2ASSTENGR | Acting Second Assistant Engineer |
| ACT3 | Air Controlman (tower) Petty Officer 3rd Class |
| ACTAA | Air Controlman (tower) Airman Apprentice |
| ACTAN | Air Controlman (tower) Airman |
| ACTAR | Air Controlman (tower) Airman Recruit |
| ACTC | Air Controlman (tower) Chief Petty Officer |
| ACTCOX | Acting Coxswain |
| ACTENS | Acting Ensign |
| ACTMASTMATE | Acting Master's Mate |
| ACW1 | Air Controlman (airborne Cic Ops) Petty Officer 1st Class |
| ACW2 | Air Controlman (airborne Cic Ops) Petty Officer 2nd Class |
| ACW3 | Air Controlman (airborne Cic Ops) Petty Officer 3rd Class |
| ACWAA | Air Controlman (airborne Cic Ops) Airman Apprentice |
| ACWAN | Air Controlman (airborne Cic Ops) Airman |
| ACWAR | Air Controlman (airborne Cic Ops) Airman Recruit |