| Acronym | Meaning |
| PCG | Protein Crystal Growth Experiment |
| MOMV | Manned Orbital Maneuvering Vehicle |
| IGY | International Geophysical Year |
| OTHB | Over The Horizon Backscatter |
| GSO | GeoSynchronous Earth Orbit |
| UARS | Upper Atmosphere Research Satellite |
| SAMPEX | Solar Anomalous And Magnetospheric Particle EXplorer |
| HLV | Heavy Lift Vehicle |
| BIMDA | Bioserve-Instrumentation Technology Associate Materials Dispersion Analysis |
| LPO | La Palma Observatory |