| Acronym | Meaning |
| BPSG | Budget Planning And Systems Group |
| AOC | Award Of Contract |
| DTF3 | Diagnostic Turbulent Flux Algorithm |
| OSSE | Observing System Simulation Experiment |
| NPOP | NASA Polar Orbiting Platform |
| GSTS | Ground Surveillance And Tracking System |
| FFTF | Fast Flux Test Facility |
| GGS | Global Geospace Science Program |
| NPC | National Processing Centers |
| PICS | Positive Ion Composition Spectrometer |