| Acronym | Meaning |
| NAVSTAR | NAVigation Signal Timing And Ranging System |
| MKS | Meter-kilogram-second System Of Measurement |
| DRE | Defense Research And Engineering |
| MACRAT | Middle-Atmosphere Chemistry |
| ATLAS | Airborne Tunable Laser Absorption Spectrometer |
| SOS | Swiss Oxidant Study |
| G-TUF | G-Tunnel Underground Facility |
| BSU | Beam Steering Unit |
| GOCO | Government Owned |
| JCAE | Joint Committee On Atomic Energy |