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Which ISRO mission demonstrated in-orbit servicing capability by refueling a satellite?
- SPADEX
- POEM
- DS-SAR
- Not yet demonstrated
Answer: Not yet demonstrated
As of 2026, ISRO has not yet demonstrated in-orbit refueling. SPADEX (Space Docking Experiment) tested docking/undocking, a prerequisite for servicing. POEM (PSLV Orbital Experimental Module) demonstrated using spent rocket stage as orbital platform. In-orbit servicing remains a future goal for satellite life extension and space debris management.