| Acronym | Meaning |
 | CFF | Columbus Free Flyer |
| PAM-D | Payload Assist Module |
| HALOE | Halogen Occultation Experiment |
| PI | Principal Investigator |
| ATO | Abort To Orbit |
| LTP | Lunar Transient Phenomenon |
| GDCLS | General Dynamics Commercial Launch Services |
| ESRIN | European Space Research Institute |
| HPOTP | High Pressure Oxidizer Turbopump |
| DFRC | Dryden Flight Research Center |
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