| Acronym | Meaning |
| AL/HPD | AL Health Protection Division |
| ICD | Interface Control Document |
| HAO | High Altitude Observatory |
| EFTA | European Free Trade Association |
| VLBI | Very Long Baseline Interferometry |
| VIMHEX | Venezuela International Meteorological And Hydrological Experiments |
| SAM I | Sensing With Active Microwaves |
| VM/CMS | Virtual Machine/Conversational Monitor System |
| JODC | Japan Ocean Data Center |
| AFSSO | Air Force Special Security Office |