| Acronym | Meaning |
| MARK-IVB | N/A |
| TCS | Thermal Control System |
| BMFT | Bundesminsterium Fur Forschung Und Technologie |
| IRIS | Infrared Interferometer Spectrometer |
| DOE/HQ | Department Of Energy Headquarters |
| PIN | Power Input |
| ICH | Inter-Union Commission On The Lithosphere |
| TROPOZ | Tropospheric Ozone Experiment |
| ANPR | Advance Notice Of Proposed Rulemaking |
| ARCC | American Rivers Conservation Council |