| Acronym | Meaning |
| PSAC | President's Science Advisory Committee |
| HESP | High-Energy Solar Physics |
| FPI | Fabry-Perot Interferometer |
| GAP | GATE Advisory Panel |
| DSIR | Department Of Scientific & Industrial Research |
| TBO | Tropospheric Biennial Oscillation |
| AB | Architect Building |
| SME | Solar Mesosphere Explorer |
| HPO | High Performance Option |
| AMSG | Appropriate Military Systems Guide |