| Acronym | Meaning |
| SEDI | Structure Of The Earth's Deep Interior |
| GFE | Government Furnished Equipment |
| OSSE | Observing System Simulation Experiment |
| EROS | Earth Resources Observation System |
| AIMR | Airborne Imaging Microwave Radiometer |
| VMS | Virtual Memory Systems |
| RPM | Radiation And Particles Measurement |
| ERL | Electromagnetic Radiation Laboratory |
| PIFM | Practical Improved Flux Method |
| CARS | Coherent Anti-Stokes Raman Spectroscopy |