| Acronym | Meaning |
| FSSP | Forward Scattering Spectometer Probe |
| IPMMI | International Photolysis Measurements And Modeling Intercomparison |
| UNCED | United Nations Conference On Environment And Development |
| SISEX | Shuttle Imaging Spectrometer Experiment |
| ADA | Americans With Disabilities Act |
| GAL | Galileo |
| PBL | Planetary Boundary Layer |
| POP | Photochemical Oxidation And Products |
| PCC | Profiler Control Center |
| MO&DSD | Mission Operations And Data Systems Directorate |