| Acronym | Meaning |
| NPOESS | National Polar Orbiter Environmental Satellite System |
| SWAP | Severe Weather Avoidance Program |
| ITIR | Imaging Thermal Infrared |
| IPC | Instrument Processing Center |
| TOVS | TIROS Operational Vertical Sounder |
| SMAGS | SPAN/MASnet Gateway Server |
| GMCC | Geophysical Monitoring For Climatic Change |
| ACM | Advanced Cruise Missile |
| MAF | Mesoscale Analysis Forecasting |
| EV | Earned Value |