To ascertain the full form of the acronym MIRV, the provided options must be assessed against their definitions:
| Option | Description |
|---|---|
| 1. Multiple Independently Targetable Re-Entry Vehicle | Systems featuring multiple warheads, each capable of independent targeting of distinct locations. |
| 2. Mission India Target Re-Entry Vehicle | This term lacks recognition within technological or military fields. |
| 3. Multiple Independently Technology Re-Entry Vehicle | The phrasing is technically inaccurate. |
| 4. Multiple Indirect Targetable Re-Entry Vehicle | This does not accurately represent any known technology. |
Based on the definitions, the correct expansion of MIRV is Multiple Independently Targetable Re-Entry Vehicle. This designation accurately reflects the system's ability to direct separate warheads to multiple locations independently, aligning with the operational use in missile systems like the Agni-5.
The DDR&D deals with research and development of defence technologies, systems, and equipment. DDR&D stands for: