| Acronym | Meaning |
| GHB | Goddard Handbook |
| AIS | Affiliate Information System |
| FMECA | Failure Modes Effects And Critical Analysis |
| CAL | Continental Air Lines |
| DORIS | Determination D'Orbite Et Radiopositionement Integre Par Satellite |
| GCMC | Global Climate Modeling Group |
| NSWP | National Space Weather Program |
| DRMS | Data Record Management System |
| FLOP | Floating Point Operations |
| OO | Object Oriented |