| Acronym | Meaning |
| STEP | Stratosphere-Troposphere Exchange Project |
| PERL | Practical Extraction And Report Language |
| ASCOT | Atmospheric Studies In Complex Terrain |
| RALI | Resource And Land Information |
| ADL | Above Detection Limit |
| KNET/SPARTACUS | N/A |
| ARES | Advanced Reentry System |
| BIOFLUX | Bioaerosol Flux |
| PROBE | Portable Remote Observations Of The Environment |
| APOLLO2 | RTD SRL Code For Operating Limits |