| Acronym | Meaning |
| RASTER | (Remote) ASTER |
| PRC | People's Republic Of China |
| GPS | Grants Program Section |
| CARB | California Air Resources Board |
| SERP | Strategic Environmental Research Program |
| EU | European Union |
| APEX | APLE Prototype Experiment |
| APG | Aberdeen Proving Ground |
| RFI | Radio Frequency Interference |
| APEX | Advance Purchase Excursion |