Indian Space Research Organisation (ISRO) has successfully completed three critical Crew Module (CM) system tests for the Gaganyaan Mission, marking an important milestone towards India’s first human spaceflight programme. Before the final crewed mission, ISRO plans to undertake two crewed missions, with the first expected by the end of 2026 or in 2027.
Three Successful Crew Module Tests
1. Crew Module Uprighting System (CMUS) Float Inflation Test
Purpose: Validated the Crew Module Uprighting System (CMUS).
Importance:
- Ensures the Crew Module returns to an upright position after splashdown in the sea.
- Uses stored cold-gas technology.
- A critical astronaut safety feature during recovery operations.
2. Crew Module–Service Module Connect & Disconnect System (CSCDS) Test
Purpose: Validated the umbilical separation mechanism connecting the Crew Module and Service Module.
Key Features
- The system consists of: CSU-1 (Crew Module side) and CSU-2 (Service Module side)
- During re-entry :
- CSU-1 disconnects, allowing Service Module separation.
- CSU-2 separates just before atmospheric re-entry.
Outcome: The test successfully demonstrated-
- Clean separation of CSU-2.
- Structural stability of the Crew Module panel and interfaces.
3. Crew Module Structure Qualification Test for Apex Cover Separation
Purpose: Validated the structural integrity of the Crew Module during Apex Cover separation.
Importance:
- The Apex Cover protects the parachute system during the mission.
- It is jettisoned before parachute deployment, enabling safe descent and landing of the Crew Module.
Significance
- Strengthens the safety and reliability of India’s human spaceflight programme.
- Validates critical Crew Module systems required for astronaut survival during: Module separation, Splashdown and Parachute deployment
- Brings India closer to achieving its first indigenous crewed space mission.
Gaganyaan Mission
The Gaganyaan Mission is India’s flagship human spaceflight programme, aimed at demonstrating the country’s indigenous capability to send humans into space and return them safely.
Launch Vehicle: LVM3 (GSLV Mk III)
Mission Objectives
- Send three astronauts into Low Earth Orbit (LEO) at an altitude of 400 km.
- Mission duration: 3 days.
- Ensure safe re-entry and recovery.
Orbital Module: Consists of-
- Crew Module (CM): Houses the astronauts.
- Service Module (SM): Provides propulsion and power.