Context: 

The human spaceflight is scheduled to be launched in the fourth quarter of 2024, the astronaut designates for the mission are currently undergoing their mission-specific training at Bengaluru.

• The Indian Navy and the Indian Space Research Organisation (ISRO) released the Gaganyaan Recovery Training Plan at the Water Survival Training Facility (WSTF) at INS Garuda, Kochi.

Image Source: Times of India

G1, G2 and H1 Mission:

• In view of the paramount importance of crew safety, two test vehicle missions are planned before the ‘G1’ mission to demonstrate the performance of crew escape system and parachute-based deceleration system for different flight conditions.
• The uncrewed ‘G1’ mission is targeted to be launched in the last quarter of 2023, followed by the second uncrewed ‘G2’ mission in the second quarter of 2024.
• The final human space flight ‘H1’ mission will be launched in the fourth quarter of 2024.

About Ganganyaan Mission:

• The Gaganyaan Programme envisages undertaking the demonstration of human spaceflight to Low Earth Orbit (LEO) in the short-term and will lay the foundation for a sustained Indian human space exploration programme in the long run. 
• The objective of Gaganyaan programme is to demonstrate indigenous capability to undertake human space flight mission to LEO.
• As part of this programme, two unmanned missions and one manned mission are approved by Government of India (GoI).
• This manned mission will be the first of ISRO’s human spaceflight missions.
  • The US, Russia and China are the only three countries to have conducted human spaceflights yet.
• Launched by: Geosynchronous Satellite Launch Vehicle GSLV Mk III 

News Source: The Hindu