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Thiruvananthapuram, Jan 4 As the Indian Space Research Organisation (ISRO) is going at full throttle for Gaganyaan, the country's maiden manned space mission scheduled for launch in 2023, interesting details of the Crew Module (CM), including the landing choices, crew escape system, and survival packets for each crew member, have come out.The CM would be splashing down near the Indian coast in 2023 after the week-long mission, and the Arabian Sea, which is comparatively calmer, is the primary choice, but Bay of Bengal is also being considered as a backup option, said S. Unnikrishnan Nair, director, Human Space Flight Centre (HSFC), ISRO, Bengaluru.In his article , Nair says the HSFC was set up by the ISRO in Bengaluru in 2019 for sustained and affordable human space flight activities, and Gaganyaan is the first project.The test flight to validate the performance of Crew Escape System and the first uncrewed mission of Gaganyaan have been scheduled at the beginning of the second half of 2022.He pointed out that the Gaganyaan Orbital Module (OM) has two parts the Crew module (CM) and the Service module (SM) and weighs about 8,000 kg.While in orbit, the OM will be orbiting the Earth with a velocity of about 7,800 m/s.The CM, a double walled system and the habitat of astronauts, who would be part of the manned mission, has an ablative Thermal Protection System (TPS) to protect it during the intense aerodynamic heating during the flight.The orbital module will be launched by Human Rated Launch Vehicle (HRLV), which is a modified version of GSLV MK-III vehicle.The CM has a cluster of small thrusters with 100N thrust level based on green propulsion that will be fired in controlled manner to change the attitude of the module during the re-entry and atmospheric phases of flight.After landing, the coordinates of CM will be passed on to the recovery team waiting in ships.The CM has a survival packet for each crew that can support them for nearly two days.However, ISRO is positive that the crew can be recovered within two hours after the splash down.For Gaganyaan, the selected four astronaut candidates have undergone generic space flight training in Russia for nearly 15 months.The Gaganyaan-specific training will be carried out in India at the Astronaut Training Facility being set up at Bengaluru.The crew will be familiarised with all conceivable situations that can happen while in flight and they will be trained to face such situations. The training will include classroom sessions on different engineering, medical and safety aspects of the mission. The crew will undergo training in weightlessness condition by flying in special aircraft through a parabolic path that will give 25 to 30 seconds duration of weightlessness.In order to familiarise the crew with rescue under abort conditions, they will undergo special survival training in sea, snow, mountain and desert conditions. They will be taught to survive in such situations making use of the survival kit available with them. The crew will also undergo long duration training in special simulators that will mimic the interior of the crew module.Disclaimer: This post has been auto-published from an agency feed without any modifications to the text and has not been reviewed by an editor

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