| Acronym | Meaning |
| IMS | Information Management System |
| SSM/R | Special Sensor Microwave Radiometer |
| CAM | Computer-aided Manufacturing |
| FNC | Federal Networking Council |
| HIS | High-resolution Infrared Sounder |
| UEDS | Unidata Experimental Data Service |
| SCS | Soil Conservation Service |
| HMMR | High Resolution Multifrequency Microwave Radiometer |
| GEO | Geosciences Directorate |
| APC | Ammonium Perchlorate |