| Acronym | Meaning |
| DSM | Demonstration Support Model |
| SST | Supersonic Transport |
| ARCAS | All-purpose Rocket For The Collection Of Atmospheric Soundings |
| PDT | Product Development Team |
| EFTC | European Fluorocarbon Technical Committee |
| SIR | Shuttle Imaging Radar |
| ACO | Advance Change Order |
| HB | Hard Black |
| PDF | Probability Density Functions |
| AEGIS | Atmosphere Ecosystem Gas Interchange Study |