| Acronym | Meaning |
| APEX | Advance Purchase Excursion |
| DCF | Data Capture Facility |
| WSMR | White Sands Missile Range |
| DART | Data Assimilation Research Testbed |
| SSC | Scientific Steering Committee |
| SPACE | Satellite Precipitaion And Cloud Experiment |
| TCZ | Tropical Convergence Zone |
| IMS | International Magnetospheric Study |
| BI | The Brookings Institution |
| HPS | High Performance Systems |