| Acronym | Meaning |
 | SME | Scan Mirror Electronics - Subject Matter Expert |
| PMCS | Partial Mission Capable Supply (SM&R Code) - Power Management Control System - Professional Military Comptroller School |
| ROC | Receiver Operating Characteristic (statistics) - Regional Operations Centre - Republic Of China - Roc-A-Fella Records |
| SEU | Single Event Upset (solid State Physics) - Slightly Enriched Uranium - Special Evidence Unit |
| CLO | Cornell Lab Of Ornithology |
| PS | Pashto Language (ISO 639-1 Code) - Picosecond |
| TBT | Tributyltin |
| CHE | Switzerland (ISO 3166 Trigram; From Latin Confoederatio Helvetica) |
| NEAT | Near-Earth Asteroid Tracking |
| ABCS | (U.S.) Army Battle Command System |
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