| Acronym | Definition |
|---|
| ACTFAST➣Agent Characteristics and Toxicology First Aid and Special Treatment (training course) |
| ACTFAST➣Advanced Concepts & Technology Frequency Agile Solid-State Tuner |
| ACTFAST➣Air Traffic Control Communications Test Facility and Avionics System Test |
| ACTFAST➣Awareness & Confidence Training/Female Assault Safety Training (Louisville, KY) |