Context:
- ISRO successfully conducted the second Integrated Air Drop Test (IADT-02) at Satish Dhawan Space Centre, Sriharikota.
- The test is part of preparations for Gaganyaan, India’s first human spaceflight mission, expected soon.
Key Highlights:
Test Procedure & Technical Details
- A simulated Crew Module (CM) weighing ~5.7 tonnes was used (same as planned for Gaganyaan G1 mission).
- The module was lifted to ~3 km altitude using an Indian Air Force Chinook helicopter.
- Released over a designated sea drop zone near Sriharikota coast.
Parachute & Recovery Systems
- 10 parachutes (of 4 different types) deployed in a predefined sequence.
- Ensured gradual deceleration for safe splashdown.
- Successful recovery by Indian Navy, validating end-to-end retrieval operations.
Institutional Collaboration
- Joint effort involving:
- ISRO
- Indian Air Force (IAF)
- Indian Navy
- DRDO
Mission Progress Timeline
- First IADT (IADT-01) conducted on August 24, 2025.
- IADT-02 marks further progress toward Gaganyaan G1 (uncrewed mission) readiness.
Significance / Applications
- Validates para-based deceleration system crucial for astronaut safety.
- Demonstrates precision landing and recovery capability.
- Strengthens India’s human spaceflight capability.
Relevant Prelims Points:
- Gaganyaan Mission: India’s first human spaceflight programme by ISRO.
- Crew Module (CM):
- Habitable capsule for astronauts during re-entry and landing.
- Designed for thermal protection and safe splashdown.
- Integrated Air Drop Test (IADT):
- Tests parachute deployment and descent systems.
- Satish Dhawan Space Centre (SDSC):
- Located at Sriharikota, Andhra Pradesh.
- India’s primary spaceport.
- Chinook Helicopter: Heavy-lift helicopter used by Indian Air Force.
- Splashdown Recovery: Conducted by Indian Navy in sea-based missions.
Relevant Mains Points:
- Significance for India’s Space Programme:
- Marks a major step towards indigenous human spaceflight capability.
- Places India among elite nations (USA, Russia, China) with such capability.
- Technological Advancements:
- Development of Crew Escape System, Life Support Systems, and Re-entry Technologies.
- Mastery over parachute-based deceleration and recovery operations.
- Inter-Agency Coordination:
- Highlights importance of civil-military synergy (ISRO–IAF–Navy–DRDO).
- Enhances national technological integration.
- Strategic & Scientific Implications:
- Boosts space diplomacy and global standing.
- Opens avenues for space research, microgravity experiments, and commercial opportunities.
Way Forward:
- Conduct additional validation tests (crew escape, orbital modules).
- Ensure astronaut training and safety protocols.
- Strengthen private sector participation in space ecosystem.
- Develop long-term human spaceflight roadmap (space station, deep space missions).
UPSC Relevance
- GS III: Science & Technology (Space technology, innovation)
- GS II: Governance (institutional coordination, policy support)
- GS IV: Ethics (safety, responsibility in high-risk missions)