| Acronym | Meaning |
| SPC | Small Particle Count (or Counter) |
| MRN | Meteorological Rocket Network |
| DE | Dynamics Explorer |
| ORCP | Ocean Ridge Crest Processes |
| ASAP | Automated Shipboard Aerological Program |
| UMIST | University Of Manchester Institute Of Science And Technology |
| ABFEL | Air-based Free-electron Laser |
| GCCM | Global Carbone Cycle Modeling |
| UTC | Universal Time Coordinate Or Coordinated Universal Time |
| SERP | Strategic Environmental Research Program |