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6 July 2026

ISRO Gaganyaan mission component test

The Gaganyaan mission is a flagship space program of ISRO, and specific technical milestones like the SOLVE test are directly relevant to the GS3 syllabus on achievements in science and technology and indigenization.

1 min read Day 1 of 2 1 questions 2 prelims

Notes

  • ISRO successfully conducted the first ground test of the solid motor-based Sub-Orbital Launch Vehicle for Experiments (SOLVE) at the Satish Dhawan Space Centre, Sriharikota.
  • SOLVE serves as a test platform for Gaganyaan mission components, specifically for validating the crew module's deceleration system.
  • The deceleration system involves the deployment of 10 parachutes to reduce the crew module's velocity before sea splashdown.
  • Test missions involve carrying the crew module to an altitude of 10 km to 17 km before separation.
  • The SOLVE solid stage is derived from the PSLV strap-on motor, modified with a slow burn rate propellant and a straight nozzle with secondary injection thrust vector control.
  • Recent Gaganyaan-related activities include the second Integrated Air Drop Test (IADT-02) and the Mission MITRA behavioural study conducted in Leh.

Part of a longer story

This is day 1 of 2 in ISRO Gaganyaan mission qualification and system testing, which has been running since 6 July 2026. Reading it whole is usually worth more than reading today alone — the exam asks how something developed.

Questions

  1. Discuss the significance of the Sub-Orbital Launch Vehicle for Experiments (SOLVE) in the context of the Gaganyaan mission's safety and deceleration systems. 150 words
    Attempt this — 150 words in 8 min
    0 / 150 words 8:00

Prelims

  1. The 'SOLVE' vehicle developed by ISRO is primarily designed to test which of the following systems for the Gaganyaan mission?

  2. What is the primary purpose of the 'Mission MITRA' conducted by ISRO in Leh?