| Acronym | Meaning |
| IMD | Indian Meteorology Department |
| IIOE | International Indian Ocean Expedition |
| VRR | Visual Radio Range |
| TAS | True Air Speed |
| EM | Electron Microscope |
| NSPI | National Society For Programmed Instruction |
| OAR | Office Of Aerospace Research |
| MSS | Mass Storage System |
| MARD | Modernization Associated Restructuring Demonstration |
| BRITE | Basic Research In Industrial Technologies Europe |