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Gaganyaan first uncrewed mission HLVM3 G1/OM1: roadmap and parts

9 April 20261 min read
SCIENCE & TECHNOLOGYGaganyaan firstuncrewed missionHLVM3 G1/OM1:roadmap and parts9 April 2026safalsetu.com

Why in the news

ISRO’s chairperson V. Narayanan said the launch date of the first uncrewed Gaganyaan flight would be shared shortly. It was first aimed at early 2026, but safety testing has taken priority.

Key facts

  • Mission: HLVM3 G1/OM1, the first orbital flight of the Human-Rated LVM3 with an uncrewed Crew Module.
  • Plan: three uncrewed missions precede the crewed flight.
  • Goals: check launch vehicle performance, orbital module injection and sea recovery of the capsule.
  • Delay: originally slated for the first quarter of 2026; minor slip due to rigorous testing.

Spacecraft components

PartRole
Human-Rated LVM3 (HLVM3)India’s heaviest rocket, re-engineered for safety with an escape system and sensors tracking parameters affecting human life
Crew Module (CM)Living space for astronauts; double-walled pressurised structure
Service Module (SM)Supplies power and propulsion to the Crew Module in orbit

About Vyommitra

  • Female-looking half-humanoid robot built by ISRO.
  • Flies on uncrewed missions to imitate human activity and monitor effects such as microgravity and vibration.

Exam angle

  • Launcher being human-rated: LVM3.
  • Orbital module = Crew Module + Service Module.
  • Robot astronaut: Vyommitra.
  • ISRO Chairperson named in the news: V. Narayanan.

Test yourself

1. Which rocket is being human-rated for the Gaganyaan programme?

The Human-Rated LVM3 (HLVM3) is used for Gaganyaan.

2. What is the role of the Service Module in the Gaganyaan orbital module?

The Service Module supplies power and propulsion to the Crew Module.

3. How many uncrewed missions does ISRO plan before the crewed Gaganyaan flight?

ISRO plans three uncrewed missions before the manned flight.