| Acronym | Meaning |
| DIS | Data Interface System |
| ACE | Accelerated Computing Environment |
| ARF | Aviation Route Forecast |
| SLAP | Space Link Access Protocol |
| DBSS | Directed Balloon Sounding System |
| HARVARD | Harvard/Smithsonian Center For Astrophysics |
| INFOTERRA | International Environmental Research And Referral Service Of UNEP |
| NEHRP | National Earthquake Hazard Reduction Program |
| GBPS | Gigabity (109) Per Second |
| ESAD | Earth Science And Applications Division |