| Acronym | Meaning |
| WACS | What-A-Cartoon! Show |
| WXO | Weather [Executive] Officer |
| SIGMET | Significant Meteorological Information |
| ORF | Operational Readiness Float |
| MX | Mail Exchange -Mexico (FIPS 10-4 Country Code; ISO 3166 Digram) -Missile EXperimental |
| MACE | Multi-Agent Computing Environment |
| DCAA | (U.S.) Defense Contract Audit Agency |
| JIVE | Joint Institute For VLBI (Very Long Baseline Interferometry) In Europe |
| PA | Pascal - Protactinium |
| SDC | Shaft Driven Compressor - U.S. Army Strategic Defense Command (1985?1992) |