| Acronym | Meaning |
| LDS | Lightning Detection System |
| FP | Fixed Price Contract |
| AIST | Agency Of Industrial Science & Technology |
| UGV | Unmanned Ground Vehicles |
| OSO | Orbiting Solar Observatory |
| APD | Areal Power Density |
| AAM | Air-to-air Missile |
| ICFD | Institute For Computational Fluid Dynamics |
| ATS | Advanced Technology Satellite |
| ARIMP | Atmospheric Radiation Investigation And Measurements Project |