| Acronym | Meaning |
| ASD(S&TR) | (U.S.) Assistant Secretary Of Defense (Strategy & Threat Reduction) |
| SYC | Seychelles (ISO 3166 Trigram) |
| YK | Yoctokelvin |
| CLRP | College Loan Repayment Program |
| SUN | Sundanese Language (ISO 639-2 Code) |
| UMI | U.S. Minor Outlying Islands (ISO 3166 Trigram) |
| SOHC | Single-OverHead-Cam Engine |
| Z | Zetta |
| USNB | United States Naval Base |
| WDC | Western Design Center - World Data Center |