| Acronym | Meaning |
| MITL | Man-In-The-Loop |
| JFTX | Joint Field Training Exercise |
| NTDS | Naval Tactical Data System |
| ATB | Active Time Battle -British Antarctic Territory (ISO 3166 Trigram; Merged With AQ In 1979) |
| AT | Anti-Tank -Ashmore And Cartier Islands (FIPS 10-4 Territory Code) - Austria (ISO 3166 Digram) -Advanced Technology (IBM Personal Computer/AT) |
| RDDL | Resource Directory Description Language (riddle) |
| MZ | Mach-Zehnder (interferometer) -Magnetic Azimuth -Move |
| CDD | Capabilities Development Document |
| HKS | HyperKinetic Syndrome |
| OPP | Ontario Provincial Police - Operational Planning Process - Other People's Privates |