India's space agency has completed ground tests of the system that separates Gaganyaan's crew capsule from its service module before atmospheric re-entry. ISRO announced the results on October 16, with The Week reporting the development on October 17. The agency said the tests support preparations for the first uncrewed Gaganyaan flight, G1, targeted for 2026.
Engineers used an instrumented setup at the Vikram Sarabhai Space Centre in Thiruvananthapuram to simulate the connected spacecraft. According to ISRO, the trials reproduced separation, including the cutting of several connections that carry electricity and fluids between the two modules.
The modules travel together from launch through the orbital phase. Before the capsule returns through Earth's atmosphere, they must part through a precisely ordered sequence involving pyrotechnic devices and jettisoning mechanisms. The Week described this as a necessary step in preparing the spacecraft for its eventual human spaceflight role.
ISRO said the trials demonstrated both the suitability of the separation design and the ability of critical capsule equipment to survive the shocks involved. The systems checked included avionics, inertial navigation and heat protection, alongside equipment associated with the capsule's umbilical shield, uprighting system and temperature and humidity control.
The result adds ground-test evidence for a crucial stage of the return journey. It does not mean G1 has flown or that a crewed launch has been cleared. ISRO's announcement retains a 2026 target for the uncrewed mission without giving a specific launch date, leaving the flight itself as a future milestone.
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