| Acronym | Meaning |
| FHST | Fixed Head Star Trackers |
| HLC | Heavy Lift Capability |
| SOLSTICE | Solar Stellar Irradiance Comparison Experiment |
| XMM | X-ray Multi Mirror |
| TES | Thermal Emission Spectrometer |
| AFPRO | Air Force Plan Representative Office |
| TWTA | Travelling Wave Tube Amplifier |
| SLAR | Side-Looking Airborne Radar |
| S/C | SpaceCraft |
| IPMP | Investigations Into Polymer Membrane Processing |