| Acronym | Meaning |
 | NLDN | National Lightning Detection Network |
| CAL | Continental Air Lines |
| ECG | Environmental Coordinating Group |
| ABLE | Activity Balance Line Evaluation |
| DHC | Data Handling Center |
| HEOS | Highly Eccentric Orbit Satellite |
| ASAP | Aerospace Safety Automation Program |
| AI | Authorized Inspector |
| ISO | International Standards Organization |
| NASDA | National Space Development Agency |
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