{"id":6038,"date":"2026-03-02T09:10:13","date_gmt":"2026-03-02T03:40:13","guid":{"rendered":"https:\/\/vajiramandravi.com\/upsc-exam\/?p=6038"},"modified":"2026-03-11T17:37:37","modified_gmt":"2026-03-11T12:07:37","slug":"gaganyaan-mission","status":"publish","type":"post","link":"https:\/\/vajiramandravi.com\/upsc-exam\/gaganyaan-mission\/","title":{"rendered":"Gaganyaan Mission, Launch, Crew,  Microgravity Research, UPSC Notes"},"content":{"rendered":"<p>The\u00a0<strong>Gaganyaan Mission is India\u2019s ongoing project to send a 3-day manned mission<\/strong>\u00a0to the Low Earth Orbit (LEO) of 400 km with a crew of 3 members and bring them safely back to Earth.<\/p>\r\n<p>As part of this program, two unmanned missions and one manned mission are approved by the Government of India.<\/p>\r\n<p>The first manned spaceflight is\u00a0<strong>expected to take place before 2026<\/strong>. The success of the Gaganyaan Mission will put India in the elite group of nations (US, Russia, and China) having human space flight capability.<\/p>\r\n<h2>Gaganyaan Mission Objectives<\/h2>\r\n<p>The Gaganyaan Mission is an ambitious and co-ordinated project of ISRO in collaboration with other agencies, such as various research labs, Indian academia, and industries, with the following objectives:<\/p>\r\n<ul>\r\n\t<li><strong>To undertake human space flights:\u00a0<\/strong>Its immediate aim is to demonstrate indigenous capability to undertake human space flights.<\/li>\r\n\t<li><strong>Space exploration:<\/strong>\u00a0In the long run, it will lay the foundation for a sustained Indian human space exploration programme.<\/li>\r\n\t<li><strong>Conduct Experiments:<\/strong> As part of the mission, Gaganyaan also encourages and supports <strong>micro-gravity experiments<\/strong>.<\/li>\r\n<\/ul>\r\n<h2>Technologies Required for ISRO\u2019s Gaganyaan Mission<\/h2>\r\n<p>In order to ensure crew safety in this programme, various precautionary and safety measures were required. In this regard, ISRO required major new technologies for the Gaganyaan Mission such as Human rated launch vehicle, a habitable orbital module, crew escape systems, and a life support system.<\/p>\r\n<p><img decoding=\"async\" src=\"https:\/\/vajiram-prod.s3.ap-south-1.amazonaws.com\/gaganyaan_orbital_module_5f76fcad56.png\" alt=\"gaganyaan orbital module\" \/><\/p>\r\n<h3>Human-Rated LVM3<\/h3>\r\n<p>A modified version of ISRO\u2019s most-reliable rocket, LVM3 (previously called Geosynchronous Satellite Launch Vehicle Mk III), is the launching vehicle of the Gaganyaan Mission.<\/p>\r\n<ul>\r\n\t<li>It is re-configured as a<strong>\u00a0human rated launch vehicle\u00a0<\/strong>to be capable of safely transporting humans into the intended orbit.<\/li>\r\n\t<li>\u00a0It has a three stage propulsion system - solid stage, liquid stage, and cryogenic stage.<\/li>\r\n\t<li>It consists of Crew Escape System (CES) as well as Orbital Module, along with solid stage, liquid stage, and cryogenic stage.<\/li>\r\n<\/ul>\r\n<h3>Orbital Module (OM)<\/h3>\r\n<p>It will be orbiting Earth, comprising the Crew Module (CM) and Service Module (SM). The Orbital Module is equipped with state-of-the-art avionics systems with adequate redundancy.<\/p>\r\n<ul>\r\n\t<li><strong>Crew Module (CM):<\/strong>\r\n<ul>\r\n\t<li>It is a habitable space with an Earth like environment for the onboard crew members.\u00a0<strong>It will consist of a human<\/strong>\u00a0habitable module with a control system for the mission,\u00a0<strong>crew communication, navigation, guidance,<\/strong>\u00a0and avionics system.<\/li>\r\n\t<li><strong>Structure of CM:<\/strong>\u00a0It has a double-walled rigid construction consisting of a\u00a0<strong>pressurized metallic inner structure<\/strong>\u00a0and\u00a0<strong>an unpressurized external structure<\/strong>\u00a0with a\u00a0<strong>Thermal Protection System (TPS).\u00a0<\/strong><\/li>\r\n\t<li>It houses human centric products, life support systems, avionics, crew interfaces, and deceleration systems.<\/li>\r\n\t<li>This module has also been designed for\u00a0<strong>re-entry facility<\/strong>\u00a0to earth atmosphere ensuring safety of the crew during descent till touchdown.<\/li>\r\n<\/ul>\r\n<\/li>\r\n\t<li><strong>Service Module (SM):<\/strong>\r\n<ul>\r\n\t<li>It will be used for\u00a0<strong>providing necessary support to the Crew Module<\/strong>\u00a0while in orbit.<\/li>\r\n\t<li>It is an unpressurized structure containing the propulsion system, thermal system, power systems, avionics systems and deployment mechanisms.<\/li>\r\n<\/ul>\r\n<\/li>\r\n<\/ul>\r\n<h3>Crew Escape System<\/h3>\r\n<p>To ensure theAstronauts' safety, various<strong>\u00a0In-flight Abort Demonstrations<\/strong>\u00a0of Crew Escape System (CES) have been included.<\/p>\r\n<p><img decoding=\"async\" src=\"https:\/\/vajiram-prod.s3.ap-south-1.amazonaws.com\/test_vehicle_abort_demonstration_mission_profile_09c983f2c6.png\" alt=\"test -vehicle abort-demonstration-mission -profile\" \/><\/p>\r\n<ul>\r\n\t<li><strong>Flight Test Vehicle Abort Mission-1 (TV-D1):<\/strong>\r\n<ul>\r\n\t<li>It is the first of the two abort missions to test the safety mechanisms and demonstrates the performance of the Crew Escape System of the Gaganyaan Mission.<\/li>\r\n\t<li>This has also confirmed the functioning of systems for separating the crew module from the rocket in case of a mid-flight emergency (<strong>abort and escape<\/strong>\u00a0mission of the astronauts).<\/li>\r\n\t<li>Hence, it will allow the Gaganyaan crew to leave the spacecraft in an emergency.<\/li>\r\n<\/ul>\r\n<\/li>\r\n<\/ul>\r\n<h3>Life Support System<\/h3>\r\n<ul>\r\n\t<li>Life Support System to provide an\u00a0<strong>earth like environment to crew in space<\/strong>, crew emergency escape provision and evolving crew management aspects for training, recovery and rehabilitation of crew members.<\/li>\r\n<\/ul>\r\n<h3>Training Programmes for Gaganyaan Mission Crew Members<\/h3>\r\n<ul>\r\n\t<li>Astronaut Training Facility established in Bengaluru caters to Classroom training, Physical Fitness training, Simulator training and Flight suit training.<\/li>\r\n\t<li>Training modules cover Micro-gravity familiarization through Parabolic Flights, Aero-medical training, Recovery &amp; Survival training, Crew Training Simulators, Aero medical training, etc.<\/li>\r\n<\/ul>\r\n<h2>Different Phases of Gaganyaan Mission<\/h2>\r\n<p>ISRO plans to execute two unmanned missions as part of the Gaganyaan mission projects before the final manned mission due to safety concerns of the project.<\/p>\r\n<p><img decoding=\"async\" src=\"https:\/\/vajiram-prod.s3.ap-south-1.amazonaws.com\/different_phases_of_gaganyaan_programme_1bea590790.png\" alt=\"different -phases of- gaganyaan -programme\" \/><\/p>\r\n<ul>\r\n\t<li><strong>Testing phase:<\/strong>\u00a0Before executing the unmanned and manned mission, ISRO has planned to demonstrate numerous tests including the following ones:\r\n\r\n<ul>\r\n\t<li><strong>Integrated Air Drop Test (IADT):\u00a0<\/strong>This Test is intended to validate the deceleration system (parachute and pyro's) performance using an IAF chopper<\/li>\r\n\t<li><strong>Pad Abort Test (PAT):<\/strong>\u00a0The test will involve dropping the crew module from a helicopter and will help understand the impact from various heights and velocity.<\/li>\r\n\t<li><strong>Test Vehicle (TV) flights: The Test Vehicle is a single-stage liquid rocket developed for this abort mission.<\/strong><\/li>\r\n<\/ul>\r\n<\/li>\r\n\t<li><strong>Unmanned missions:\u00a0<\/strong>It will be for technology demonstration, safety and reliability verification and will be heavily instrumented to study the performance of systems before crewed flight. Some advanced tests are:\r\n\r\n<ul>\r\n\t<li>Airdrop test for the parachute system, Flight test of the test vehicle, Abort test to demonstrate.<\/li>\r\n\t<li><strong>Water Survival Test Facility (WSTF):\u00a0<\/strong>ISRO, along with the Indian Navy carried out WSTF to initial recovery trials of Crew Module in Feb 2023. The trials were part of the preparation for crew module recovery operations.<\/li>\r\n\t<li><strong>Vyommitra:\u00a0<\/strong>The \u2018female\u2019 robot astronaut the humanoid designed and developed ISRO to fly aboard unmanned test missions before the Gaganyaan human space-flight mission.<\/li>\r\n<\/ul>\r\n<\/li>\r\n\t<li><strong>Manned mission:<\/strong>\u00a0Human spaceflight module of Gaganyaan will be followed by the two unmanned missions.<\/li>\r\n<\/ul>\r\n<p><img decoding=\"async\" src=\"https:\/\/vajiram-prod.s3.ap-south-1.amazonaws.com\/manned_mission_61222c74de.png\" alt=\"manned-mission\" \/><\/p>\r\n<h2>Gaganyan Mission Significance<\/h2>\r\n<p>The human spaceflight programme has many tangible and intangible benefits as it holds potential for<strong>\u00a0scientific research and advancements.<\/strong>\u00a0These<strong>\u00a0scientific research and advancements\u00a0<\/strong>can have far-reaching implications, benefitting not only India but the entire global scientific community.<\/p>\r\n<ul>\r\n\t<li><strong>To achieve future technological capability:<\/strong>\u00a0The success of the Gaganyaan project is expected to inspire further affordable human space programs to explore the solar system and beyond, sample return missions, and other scientific exploration.<\/li>\r\n\t<li><strong>A unique opportunity to inspire Youth<\/strong>: Expected milestones of Gaganyaan will inspire students toward\u00a0<strong>careers in science and technology<\/strong>\u00a0towards challenging jobs that would encourage innovation and creativity particularly in the\u00a0<strong>field of space science.<\/strong><\/li>\r\n\t<li><strong>Potent foreign policy tool:<\/strong>\u00a0It will open doors for diplomatic collaborations with other spacefaring nations, paving the way for\u00a0<strong>joint missions, knowledge exchange<\/strong>, and international cooperation in space exploration thereby\u00a0<strong>strengthening international partnerships.<\/strong><\/li>\r\n\t<li><strong>Scientific breakthrough:<\/strong>\u00a0Scientific\u00a0<strong>experiments in a microgravity<\/strong>\u00a0environment facilitated by Gaganyaan can lead to groundbreaking discoveries in fields like medicine, material science, and biology.<\/li>\r\n\t<li><strong>Economic growth and employment generation:<\/strong>\u00a0Gaganyaan mission can stimulate economic growth through the development of\u00a0<strong>space-related industries<\/strong>, technology spin-offs, and job creation, contributing to India\u2019s overall development.<\/li>\r\n\t<li><strong>Microgravity Research:<\/strong> Gaganyaan aims to <strong>encourage and support microgravity research<\/strong>, with ISRO actively promoting microgravity experiments as part of its human spaceflight missions.<\/li>\r\n<\/ul>\r\n<h2>Gaganyaan Mission Challenges<\/h2>\r\n<p>The challenges associated with manned missions (Gaganyan) are far higher than those faced by unmanned ones. Major challenges before space-based missions are space transportation systems, crew safety and training creation of earth like environment etc.<\/p>\r\n<ul>\r\n\t<li><strong>Reliance on Indigenous Technology:<\/strong>\u00a0The Gaganyan programme largely depend on indigenous technology, which requires<strong>\u00a0complex research, development,<\/strong>\u00a0and testing of new complex technology in order to ensure the\u00a0<strong>safe execution of programmes.<\/strong><\/li>\r\n\t<li><strong>Space transportation Vehicle:\u00a0<\/strong>While the requirement is to send rockets that are light in weight, putting humans in space requires heavier rockets. Hence, the\u00a0<strong>development of customized launch vehicles<\/strong>\u00a0that are able to carry loads more than communication satellites is challenging.<\/li>\r\n\t<li><strong>Complex training and simulation:<\/strong>\u00a0India<strong>\u00a0lacks major critical space training and simulation facilities\u00a0<\/strong>for manned missions. Hence India\u2019s dependence on other space agencies or nations (<strong>US and Russia<\/strong>) for such facilities.<\/li>\r\n\t<li><strong>Regenerative environment:\u00a0<\/strong>Due to the limitation<strong>\u00a0of carrying much weight into space,<\/strong>\u00a0a regenerative environment for food, water, oxygen, carbon-di-oxide and human waste has to be developed.<\/li>\r\n\t<li><strong>Creating an Earth like environment:<\/strong>\u00a0Testing all support systems of the Gaganyaan in an actual operating environment is next to impossible. Hence, the creation of an atmosphere like Earth inside a small crew module remains a challenging task.<\/li>\r\n\t<li><strong>Crew safety:\u00a0<\/strong>It is the most sensitive part of the Gaganyaan project. Crew may encounter depression,\u00a0<strong>Radiation exposure, fatigue, sleep disorder<\/strong>\u00a0and psychiatric disorders in a zero gravity environment.<\/li>\r\n<\/ul>\r\n<h2>Gaganyaan UPSC PYQ<\/h2>\r\n<p><strong>Question 1:<\/strong> <span style=\"font-weight: 400\">Consider the following space missions: <strong>(UPSC Prelims 2025)<\/strong><\/span><\/p>\r\n<ol style=\"list-style-type: upper-roman\">\r\n\t<li><span style=\"font-weight: 400\"> Axiom-4<\/span><\/li>\r\n\t<li><span style=\"font-weight: 400\"> SpaDex<\/span><\/li>\r\n\t<li>Gaganyaan<\/li>\r\n<\/ol>\r\n<p><span style=\"font-weight: 400\">How many of the space missions given above encourage and support micro-gravity research?<\/span><\/p>\r\n<p><span style=\"font-weight: 400\">a) Only one<\/span><\/p>\r\n<p><span style=\"font-weight: 400\">b) Only two<\/span><\/p>\r\n<p><span style=\"font-weight: 400\">c) All the three<\/span><\/p>\r\n<p><span style=\"font-weight: 400\">d) None<\/span><\/p>","protected":false},"excerpt":{"rendered":"<p>The Gaganyaan Mission is India&#8217;s ambitious human spaceflight program, aimed at sending Indian astronauts to space. Learn all the details about the ISRO\u2019s Gaganyaan Mission here.<\/p>\n","protected":false},"author":6,"featured_media":15409,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[239],"tags":[773,40],"class_list":{"0":"post-6038","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-quest-level-4","8":"tag-gaganyaan-mission","9":"tag-quest"},"acf":[],"_links":{"self":[{"href":"https:\/\/vajiramandravi.com\/upsc-exam\/wp-json\/wp\/v2\/posts\/6038","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vajiramandravi.com\/upsc-exam\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/vajiramandravi.com\/upsc-exam\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/vajiramandravi.com\/upsc-exam\/wp-json\/wp\/v2\/users\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/vajiramandravi.com\/upsc-exam\/wp-json\/wp\/v2\/comments?post=6038"}],"version-history":[{"count":2,"href":"https:\/\/vajiramandravi.com\/upsc-exam\/wp-json\/wp\/v2\/posts\/6038\/revisions"}],"predecessor-version":[{"id":24540,"href":"https:\/\/vajiramandravi.com\/upsc-exam\/wp-json\/wp\/v2\/posts\/6038\/revisions\/24540"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/vajiramandravi.com\/upsc-exam\/wp-json\/wp\/v2\/media\/15409"}],"wp:attachment":[{"href":"https:\/\/vajiramandravi.com\/upsc-exam\/wp-json\/wp\/v2\/media?parent=6038"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vajiramandravi.com\/upsc-exam\/wp-json\/wp\/v2\/categories?post=6038"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vajiramandravi.com\/upsc-exam\/wp-json\/wp\/v2\/tags?post=6038"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}