| Acronym | Meaning |
 | ACK | Acknowledge (telecommunications; Cf. NAK) |
| CDT | Central Daylight Saving Time (UTC-5 Hours) |
| MSDL | Military Scenario Definition Language |
| SS | Sand Storm (METAR Code) -Schutzstaffel (Nazi Elite Praetorian Guard) -U.S. Secret Service - Spanish Ship - Stainless Steel - Stockholm Skins -Submarine (US Navy Hull Classification) -Super Sport - Surface-to-Surface (missile) |
| MN | Mongolian Language (ISO 639-1 Code) |
| OM | Oman (ISO 3166 Digram) |
| PSC | Primary Somatosensory Cortex |
| FEP | Firepower Enhancement Program - Fleet Satellite (FLTSAT) Extremely High Frequency (EHF) Package |
| BTU | British Thermal Unit |
| TRACON | Terminal Radar Approach Control |
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