| Acronym | Meaning |
| RCS | Radar Cross-Section - Revision Control System - Reaction Control System |
| BRIMS | Behavior Representation In Modeling And Simulation (conference) |
| ERCIM | European Research Consortium For Informatics And Mathematics |
| COY | Company (military Unit) |
| MZ | Mach-Zehnder (interferometer) -Magnetic Azimuth -Move |
| NVEOL | Night Vision And Electro-Optics Laboratory |
| BZ | Belize (ISO 3166 Digram) |
| DASD | (U.S.) Deputy Assistant Secretary Of Defense |
| YL | Yoctolitre |
| UCLA | University Of California |