| Acronym | Meaning |
| FFP | Firm Fixed Price |
| PPO | Profiler Program Office |
| IEIS | Integrated Earth Information Server |
| WGS84 | World Geodetic Survey 1984 |
| IAWSP | Intergrated Aviation Wind Shear Plan |
| RAS | Retrospective Analysis System |
| PEM | Particle Environment Monitor |
| SR | Scanning Radiometer |
| MRI | Mesoscale Research Initiative |
| MCC | Mesoscale Convective Complex |