| Acronym | Meaning |
| RTLS | Return To Launch Site - Period In NASA Space Shuttle Assent Profile Where |
| D | Deci |
| NFA | No-Fire Area |
| CATS | Computer Active Technology Suspension |
| FWS | U.S. Fish And Wildlife Service |
| GP | General Practitioner - General Purpose - Grand Prix -Guadeloupe (ISO 3166 Digram; FIPS 10-4 Territory Code) |
| ABSTRIPS | Abstraction-Based STRIPS |
| TATP | TriAcetone TriPeroxide |
| NIU | Niue (ISO 3166 Trigram) |
| BIAP | Baghdad International Airport -Biafran Pound |