| Acronym | Meaning |
| APT | Alliance For Photonic Technology |
| RAMS | Random Access Measurement System |
| ICSI | International Commission On Snow And Ice |
| UNCHE OR UNCHE | United Nations Conference On The Human Environment |
| HPCC | High-performance Computing And Communications |
| JEFNIC | Jeffco Network Infrastructure Completion Project |
| MLS | Microwave Limb Sounder |
| HSM | Hierarchical Storage Management |
| NPS | Numerical Product Service |
| BAPMON | Baseline Air Pollution Monitoring Network |