| Acronym | Meaning |
 | SG | Senegal (FIPS 10-4 Country Code) - Singapore (ISO 3166 Digram) - Snow Grains (METAR Code) -Study Group |
| FAAD | Forward Area Air Defence |
| WSM | Samoa (ISO 3166 Trigram; From West Samoa) |
| RAMARK | RAdar MARKer |
| YS | Yottasiemens |
| VM | Vietnam (FIPS 10-4 Country Code) |
| OEM | Original Equipment Manufacturer |
| USD(AT&L) | (U.S.) Under-Secretary Of Defense For Acquisition |
| LY | Libya (FIPS 10-4 Country Code; ISO 3166 Digram) - Lithuania (amateur Radio ITU Prefix) |
| MSI | Micro-Star International -Multispectral Imagery |
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