| Acronym | Meaning |
 | RV | Reconnaissance Vehicle - Recreational Vehicle - Re-entry Vehicle |
| CPSM | Continuous Phase Shift Modulation |
| MK | Millikelvin |
| LRICBM | Limited Range ICBM |
| JV | Joint Venture - Junior Varsity |
| JOR | Jordan (ISO 3166 Trigram) |
| KSC | Kennedy Space Center |
| ARL | UK Admiralty Research Laboratory (1921?1977) - U.S. Army Research Laboratory - UIUC Aviation Research Laboratory |
| LEP | Large Electron-Positron Collider |
| SMO | Samoan Language (ISO 639-2 Code) |
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