| Acronym | Meaning |
| ACE-1 | Aerosol Characterization Experiment |
| TIMED | Thermosphere-Ionosphere-Mesosphere Energetics & Dynamics |
| AIS | Affiliate And Immigration Services |
| POP | Probability Of Precipitation |
| ISPAN | Information Stream Project For AWIPS NOAAport |
| TIP | TIROS Information Processor |
| PDAM | Point Data Access And Management |
| ACS | Automated Cartridge System |
| C2F3CL3 | CFC-113 |
| NPRM | Notice For Proposed Rule Making |