| Acronym | Meaning |
 | DEMVAL | Demonstration And Validation |
| ETS | Emergency Transponder System |
| ARG | Appointments Review Group |
| PPM | Parts Per Million |
| LOX | Liquid Oxygen |
| STC | Society For Technical Communication |
| ADR | Alternative Dispute Resolution |
| KPNO | Kitt Peak National Observatory Arizona |
| NEPH | Nephelometer |
| DARPA | Defense Advanced Research Projects Agency |
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