| Acronym | Meaning |
| EROC | Ecological Rates Of Change |
| AA/EEO | Affirmative Action/equal Employment Opportunity |
| MECCA | Model Evaluation Consortium For Climate Assessment |
| NEC | Nippon Machines |
| PSA | Problem Statement Analyzer |
| MT | Magnetic Tape |
| AGT | Advanced Ground Transport |
| ENAC | Energetic Neutral Atom Camera |
| ITS | Instrument Technical Specification |
| LL | Lincoln Laboratories |