| Acronym | Meaning |
 | AWDP | Aviation Weather Development Program |
| ARG | American Resources Group |
| RFT | Reverse-flow Thermometer |
| VLF | Very Low Frequency |
| SIAM | Society For Industrial And Applied Mathematics |
| ITWIS | Integrated Terminal Weather Information System |
| NICI | Negative Ion Chemical Ionization |
| BNSC | British National Space Centre |
| AIS | Advanced Isotope Separation |
| ESS | Engineering Equipment Surveillance System |
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