| Acronym | Meaning |
| MODE | Middeck Zero-Gravity Dynamics Experiment |
| MIMR | Multifrequency Imaging Microwave Radiometer |
| DDCU | DC-to-DC Converter Unit |
| CRISTA | Cryogenic Infrared Spectrometer Telescope For Atmosphere |
| SSTO | Single Stage To Orbit |
| UIT | Ultraviolet Imaging Telescope |
| IRFNA | Inhibited Red Fuming Nitric Acid |
| HST | Hubble Space Telescope |
| BD | Bonner Durchmusterung (catalog) |
| SSRV | Solar-Sail Race Vehicle |