| Acronym | Meaning |
| ASI | Advanced Simulation Initiative |
| BPS | Baud-per-second |
| FIPS | Federal Information Processing Standard |
| TAR | Third Assessment Report |
| TCAS-II | Traffic Alert And Collision Avoidance System |
| FFP | Firm Fixed Price |
| ATC | Adiabatic Toroidal Compressor |
| AAG | Association Of American Geographers |
| AIT | Audit Inventory Team |
| NSC | Network Systems Corporation |