| Acronym | Meaning |
| APOLLO | Apache Point Observatory Lunar Laser-ranging Operation |
| RUS | Russia (ISO 3166 Trigram) |
| A&S | Armament & Standardisation |
| TED | Technology Entertainment Design Prize |
| EPIRB | Emergency Position Indicating Radio Beacon |
| DOD | U.S. Department Of Defense |
| DST | Daylight Saving Time |
| KG | Kyrgyzstan (FIPS 10-4 Country Code; ISO 3166 Digram) |
| UM | U.S. Minor Outlying Islands (postal Symbol; ISO 3166 Digram) |
| SR | Serbian Language (ISO 639-1 Code) |