| Acronym | Meaning |
| HRED | (U.S. Army Research Laboratory's) Human Research And Engineering Directorate (Aberdeen Proving Ground |
| ITU | Intent-to-Use - International Telecommunication Union (International Telegraph Union 1865-1932) |
| INR | Indian Rupee (ISO 4217 Currency Code) |
| MTOE | Modified Table Of Organization And Equipment (emm-toe) |
| AMAPS | Aircraft |
| DHY | Dahomey (ISO 3166 Trigram; Became BEN In 1977) |
| MOT | Ministry Of Transport (UK) |
| HEO | Highly Elliptical Orbit |
| MRR | Maximum Rock And Roll - Minimum-Risk Route - My Restaurant Rules |
| AD LOC. | Ad Locum (Latin |