| Acronym | Meaning |
| IMSL | International Mathematical And Statistical Library |
| ATACMS | Army Tactical Missile System |
| AURA | Association Of Universities For Research In Astronomy |
| AMRR | Army Material Research Reactor |
| DODS | Distributed Ocean Data System |
| NSIDC | National Snow And Ice Data Center |
| OMO | Office Of Meteorological Observations |
| AEEN | Agence Europeenne Pour L'Energie Nucleaire |
| EXEC | Executable Program |
| ATSU | Accelerator Test Stand Upgrade |