| Acronym | Meaning |
| EPC | Emergency Planning Commission |
| RAM | Responsibility Assignment Matrix |
| MAR | Modernization And Associated Restructing |
| SWAP | Severe Weather Avoidance Program |
| ATC | Air Traffic Control |
| SAS | Small Astronomy Satellite |
| PEM | Particle Environment Monitor |
| AOC | Area Of Contamination |
| IEIS | Integrated Earth Information Server |
| NESC | National Environmental Satellite Center |