| Acronym | Meaning |
 | ARPA | Archaeological Resources Protection Act |
| CASH | Commercial Aviation Sensing Humidity Program |
| FP | Plasma Frequency |
| ASW | Antisubmarine Warfare |
| WATS | Wide Area Telecommunications Service |
| WHOI | Woods Hole Oceanographic Institute |
| ETM | Enhanced Thematic Mapper |
| IAVCEI | International Association Of Volcanology And Chemistry Of The Earth's Interior |
| OSI | Open Systems Interconnection |
| BNSC | British National Space Centre |
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