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In the first episode of The Scope’s special series on Gaganyaan, we explore why India’s first human spaceflight mission is about much more than sending astronauts into orbit. Discover what Gaganyaan is, why human-rating a rocket is essential, how ISRO has prepared through years of testing, and why this mission could make India only the fourth nation capable of launching humans into space on its own.



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Moon Base | India’s lunar future https://artifex.news/article71350559-ece/ Sat, 15 Aug 2026 20:41:00 +0000 https://artifex.news/article71350559-ece/ Read More “Moon Base | India’s lunar future” »

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“The past is a foreign country; they do things differently there,” the English novelist L.P. Hartley wrote famously in his 1953 novel The Go-Between. In a peculiar twist, the same cannot be said of the Moon. It is not a foreign country, or even a foreign world: the U.S.’s manoeuvring to beat China to the satellite has increasingly meant the Moon is an extension of the Earth’s geopolitics and political culture.

At the ninth India-U.S. Civil Space Joint Working Group meeting at Indian Space Research Organisation (ISRO) headquarters last week, NASA invited the organisation to participate in its ‘Moon Base’ programme, ostensibly as part of the two countries’ Artemis Accords partnership. According to NASA, the facility will be built piece by piece near the Moon’s south pole, where sunlight is available for longer durations and where permanently shadowed craters hold significant water-ice deposits. The target is for it to be humankind’s first outpost on a new celestial body, taking shape around 2030.

NASA is leaning heavily on private industry for this, having already awarded contracts to Astrolab (worth $219 million) and Lunar Outpost ($220 million) for lunar terrain vehicles, Blue Origin ($188 million) for delivery task orders, and Astrobotic, Firefly Aerospace, and Intuitive Machines ($600 million) for four robotic missions to the Moon to deliver equipment. Intuitive is also developing a relay satellite under a separate contract.

Further, as part of NASA chief Jared Isaacman’s overhaul of the Artemis programme earlier this year, in no small part responding to the Trump administration’s December 2025 space policy calling for securing U.S. interests in cislunar space, the profiles of the Artemis III and IV Missions changed. Now, Mission III will be a crewed test flight in Earth orbit in 2027 and Mission IV will attempt the first lunar landing under the programme in 2028. Taken together, the ‘Moon Base’ is effectively the next phase of the new Artemis programme, tasked with keeping — intermittently at first, and eventually continuously — Artemis astronauts on the Moon.

Deepening partnership

Since India signed the Artemis Accords in 2023, NASA and ISRO have engaged regularly across several areas. NASA has trained India’s astronaut candidates for the ‘Gaganyaan’ human spaceflight mission. In 2025, Prime Minister Narendra Modi and U.S. President Donald Trump jointly announced a broader strategic technologies framework, including spaceflight.

ISRO also launched the NASA-ISRO Synthetic Aperture Radar, a major scientific mission that has been a decade in the making. NASA instruments are slated to fly on forthcoming Chandrayaan missions just as they did on the first three.

While it seems almost facile to suggest the U.S. also engage with China considering the latter’s formidable spaceflight capabilities — many industry experts agree the age of U.S. dominance in spaceflight is in its twilight years — the two countries’ actions mean that the lines they have drawn on the Earth are set to be extended to the Moon, and that will pose new challenges for India.

In 2021, China and Russia announced plans to cooperate on an ‘International Lunar Research Station’ (ILRS), which China described as a long-term lunar science and technology facility, also to be built near the south pole and with a targeted deadline of 2035. Like the Artemis Accords, the ILRS is an international effort, currently involving 17 countries and organisations and more than 50 research institutions worldwide.

Earlier this year, when NASA solicited proposals for payloads to send to the Moon, it said it welcomed foreign entities “except those with bilateral ties to China”. NASA’s FY2027 budget request has also described the ‘Moon Base’ as a means to establish U.S. “superiority on the Moon” and to preserve U.S. leadership in space — language with more strategic overtones relative to the agency’s pre-Trump rhetoric.

Given how much of U.S. policy is shaped by out-competing China, India’s gains or losses will not be restricted to its space programme either. For instance, ISRO’s engagement with NASA has arguably become more politicised thanks to NASA’s own politicisation by virtue of having to respond to China’s ILRS plans. Contrary to the focus areas of these bodies through much of their histories, future discussions would be poorly served by treating their engagement on the Moon as purely exploratory.

For example, the Artemis Accords do not say a signatory cannot cooperate with non-signatory countries. (In June, ISRO also hosted the BRICS Heads of Space Agencies meeting in Bengaluru with China among the participants). However, the Artemis programme itself is increasingly concerned with infrastructure, and building one’s components, equipment, tools, etc. to be interoperable with that infrastructure will thus extend geopolitical alignments on the Earth to the Moon.

Suppose China invites India to join the ILRS in 2035. (In fact, the Moon could become one of the few domains in which India and China may have a practical incentive to cooperate on the Moon even while competing on the Earth, and India should endeavour to preserve rather than foreclose that possibility.) The government can say ‘yes’, but if China uses different communication protocols, data formats or operational procedures, India will face a tough choice: to build a second, expensive set of capabilities with China or to persuade China to change its systems to be interoperable with American designs.

Different ecosystems

That is, the U.S.-China competition means India’s increasing embedding in one technological ecosystem will also increase the cost of engaging with the other in future. At the same time, India will be mistaken to avoid deepening ISRO’s relationship with NASA. The U.S.-led ecosystem is much larger and more technologically diverse than the one led by China. But India may nonetheless have to reconsider its strategic autonomy in the spaceflight domain — particularly if the U.S.-China rivalry changes substantially over the next two or three decades. It should certainly steer clear of any dependencies that could hold back its own space programme because of U.S. objections.

In fact, one useful way to achieve this that also presents yet another opportunity for Indian leadership in space is to push for open international standards that allow nations to retain sovereign control over specific hardware and software components without hampering collaborations in space. Such diplomacy could foster interoperability between the lunar blocs and allow India to retain its strategic autonomy.

If it does not, the Moon may cease to be a foreign world but India may find itself a foreigner there.

Published – August 16, 2026 03:00 am IST



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Moon Base | India’s lunar future https://artifex.news/article71350559-ecerand29/ Sat, 15 Aug 2026 20:41:00 +0000 https://artifex.news/article71350559-ecerand29/ Read More “Moon Base | India’s lunar future” »

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“The past is a foreign country; they do things differently there,” the English novelist L.P. Hartley wrote famously in his 1953 novel The Go-Between. In a peculiar twist, the same cannot be said of the Moon. It is not a foreign country, or even a foreign world: the U.S.’s manoeuvring to beat China to the satellite has increasingly meant the Moon is an extension of the Earth’s geopolitics and political culture.

At the ninth India-U.S. Civil Space Joint Working Group meeting at Indian Space Research Organisation (ISRO) headquarters last week, NASA invited the organisation to participate in its ‘Moon Base’ programme, ostensibly as part of the two countries’ Artemis Accords partnership. According to NASA, the facility will be built piece by piece near the Moon’s south pole, where sunlight is available for longer durations and where permanently shadowed craters hold significant water-ice deposits. The target is for it to be humankind’s first outpost on a new celestial body, taking shape around 2030.

NASA is leaning heavily on private industry for this, having already awarded contracts to Astrolab (worth $219 million) and Lunar Outpost ($220 million) for lunar terrain vehicles, Blue Origin ($188 million) for delivery task orders, and Astrobotic, Firefly Aerospace, and Intuitive Machines ($600 million) for four robotic missions to the Moon to deliver equipment. Intuitive is also developing a relay satellite under a separate contract.

Further, as part of NASA chief Jared Isaacman’s overhaul of the Artemis programme earlier this year, in no small part responding to the Trump administration’s December 2025 space policy calling for securing U.S. interests in cislunar space, the profiles of the Artemis III and IV Missions changed. Now, Mission III will be a crewed test flight in Earth orbit in 2027 and Mission IV will attempt the first lunar landing under the programme in 2028. Taken together, the ‘Moon Base’ is effectively the next phase of the new Artemis programme, tasked with keeping — intermittently at first, and eventually continuously — Artemis astronauts on the Moon.

Deepening partnership

Since India signed the Artemis Accords in 2023, NASA and ISRO have engaged regularly across several areas. NASA has trained India’s astronaut candidates for the ‘Gaganyaan’ human spaceflight mission. In 2025, Prime Minister Narendra Modi and U.S. President Donald Trump jointly announced a broader strategic technologies framework, including spaceflight.

ISRO also launched the NASA-ISRO Synthetic Aperture Radar, a major scientific mission that has been a decade in the making. NASA instruments are slated to fly on forthcoming Chandrayaan missions just as they did on the first three.

While it seems almost facile to suggest the U.S. also engage with China considering the latter’s formidable spaceflight capabilities — many industry experts agree the age of U.S. dominance in spaceflight is in its twilight years — the two countries’ actions mean that the lines they have drawn on the Earth are set to be extended to the Moon, and that will pose new challenges for India.

In 2021, China and Russia announced plans to cooperate on an ‘International Lunar Research Station’ (ILRS), which China described as a long-term lunar science and technology facility, also to be built near the south pole and with a targeted deadline of 2035. Like the Artemis Accords, the ILRS is an international effort, currently involving 17 countries and organisations and more than 50 research institutions worldwide.

Earlier this year, when NASA solicited proposals for payloads to send to the Moon, it said it welcomed foreign entities “except those with bilateral ties to China”. NASA’s FY2027 budget request has also described the ‘Moon Base’ as a means to establish U.S. “superiority on the Moon” and to preserve U.S. leadership in space — language with more strategic overtones relative to the agency’s pre-Trump rhetoric.

Given how much of U.S. policy is shaped by out-competing China, India’s gains or losses will not be restricted to its space programme either. For instance, ISRO’s engagement with NASA has arguably become more politicised thanks to NASA’s own politicisation by virtue of having to respond to China’s ILRS plans. Contrary to the focus areas of these bodies through much of their histories, future discussions would be poorly served by treating their engagement on the Moon as purely exploratory.

For example, the Artemis Accords do not say a signatory cannot cooperate with non-signatory countries. (In June, ISRO also hosted the BRICS Heads of Space Agencies meeting in Bengaluru with China among the participants). However, the Artemis programme itself is increasingly concerned with infrastructure, and building one’s components, equipment, tools, etc. to be interoperable with that infrastructure will thus extend geopolitical alignments on the Earth to the Moon.

Suppose China invites India to join the ILRS in 2035. (In fact, the Moon could become one of the few domains in which India and China may have a practical incentive to cooperate on the Moon even while competing on the Earth, and India should endeavour to preserve rather than foreclose that possibility.) The government can say ‘yes’, but if China uses different communication protocols, data formats or operational procedures, India will face a tough choice: to build a second, expensive set of capabilities with China or to persuade China to change its systems to be interoperable with American designs.

Different ecosystems

That is, the U.S.-China competition means India’s increasing embedding in one technological ecosystem will also increase the cost of engaging with the other in future. At the same time, India will be mistaken to avoid deepening ISRO’s relationship with NASA. The U.S.-led ecosystem is much larger and more technologically diverse than the one led by China. But India may nonetheless have to reconsider its strategic autonomy in the spaceflight domain — particularly if the U.S.-China rivalry changes substantially over the next two or three decades. It should certainly steer clear of any dependencies that could hold back its own space programme because of U.S. objections.

In fact, one useful way to achieve this that also presents yet another opportunity for Indian leadership in space is to push for open international standards that allow nations to retain sovereign control over specific hardware and software components without hampering collaborations in space. Such diplomacy could foster interoperability between the lunar blocs and allow India to retain its strategic autonomy.

If it does not, the Moon may cease to be a foreign world but India may find itself a foreigner there.

Published – August 16, 2026 03:00 am IST



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ISRO successfully carries out tests of Gaganyaan crew module systems https://artifex.news/article71214549-ece-2/ Sun, 12 Jul 2026 20:15:00 +0000 https://artifex.news/article71214549-ece-2/ Read More “ISRO successfully carries out tests of Gaganyaan crew module systems” »

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The crew module uprighting system. Photo: isro.gov.in

The Indian Space Research Organisation (ISRO) on Sunday (July 12, 2026) said it had successfully carried out three major tests of the Gaganyaan crew module systems.

The first test pertained to ensuring an upright position for the crew module after splashdown in the sea, considered one of the most important crew safety requirements.

To do this, a stored cold-gas-based uprighting system was developed and tested.

“A system-level qualification test setup consisting of all the elements of CMUS (crew module uprighting system) was realised and successful inflation tests were conducted for the primary inflation module wherein stored gas in the high-pressure gas bottle was made to inflate the flotation by operating the control valves,” the ISRO said.

The service module connect-disconnect system.

The service module connect-disconnect system.
| Photo Credit:
ISRO

The second test involved examining the separation of the umbilical mechanism that serves as a link between the crew module, where astronauts live, and the service module, which provides power and propulsion.

The mechanism consists of two parts, each located at the crew module side, called CSU-1, and the service module side, called CSU-2.

During the crew module’s Earth re-entry stage, the service module first separates from the crew module after the CSU-1 disconnects. Subsequently, just before re-entry, the CSU-2 is also separated.

“Separation test of CSU-2 from the simulated crew module was carried out. The test demonstrated the clean separation of CSU-2 as well as the structural stability of the crew module panel and their interfaces,” the space agency said.

Testing of the apex cover separation.

Testing of the apex cover separation.
| Photo Credit:
ISRO

The third test validated the structural integrity of the crew module during the apex cover separation event.

The apex cover protects the parachutes and associated subsystems during the mission. It is separated before parachutes are deployed to decelerate the crew module.



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ISRO successfully carries out tests of Gaganyaan crew module systems https://artifex.news/article71214549-ecerand29/ Sun, 12 Jul 2026 20:15:00 +0000 https://artifex.news/article71214549-ecerand29/ Read More “ISRO successfully carries out tests of Gaganyaan crew module systems” »

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The crew module uprighting system. Photo: isro.gov.in

The Indian Space Research Organisation (ISRO) on Sunday (July 12, 2026) said it had successfully carried out three major tests of the Gaganyaan crew module systems.

The first test pertained to ensuring an upright position for the crew module after splashdown in the sea, considered one of the most important crew safety requirements.

To do this, a stored cold-gas-based uprighting system was developed and tested.

“A system-level qualification test setup consisting of all the elements of CMUS (crew module uprighting system) was realised and successful inflation tests were conducted for the primary inflation module wherein stored gas in the high-pressure gas bottle was made to inflate the flotation by operating the control valves,” the ISRO said.

The service module connect-disconnect system.

The service module connect-disconnect system.
| Photo Credit:
ISRO

The second test involved examining the separation of the umbilical mechanism that serves as a link between the crew module, where astronauts live, and the service module, which provides power and propulsion.

The mechanism consists of two parts, each located at the crew module side, called CSU-1, and the service module side, called CSU-2.

During the crew module’s Earth re-entry stage, the service module first separates from the crew module after the CSU-1 disconnects. Subsequently, just before re-entry, the CSU-2 is also separated.

“Separation test of CSU-2 from the simulated crew module was carried out. The test demonstrated the clean separation of CSU-2 as well as the structural stability of the crew module panel and their interfaces,” the space agency said.

Testing of the apex cover separation.

Testing of the apex cover separation.
| Photo Credit:
ISRO

The third test validated the structural integrity of the crew module during the apex cover separation event.

The apex cover protects the parachutes and associated subsystems during the mission. It is separated before parachutes are deployed to decelerate the crew module.



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ISRO successfully carries out tests of Gaganyaan crew module systems https://artifex.news/article71214549-ece/ Sun, 12 Jul 2026 19:55:00 +0000 https://artifex.news/article71214549-ece/ Read More “ISRO successfully carries out tests of Gaganyaan crew module systems” »

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The crew module uprighting system.
| Photo Credit: ISRO

The Indian Space Research Organisation (ISRO) on Sunday (July 12, 2026) said it had successfully carried out three major tests of the Gaganyaan crew module systems.

The first test pertained to ensuring an upright position for the crew module after splashdown in the sea, considered one of the most important crew safety requirements.

To do this, a stored cold-gas-based uprighting system was developed and tested.

“A system-level qualification test setup consisting of all the elements of CMUS (crew module uprighting system) was realised and successful inflation tests were conducted for the primary inflation module wherein stored gas in the high-pressure gas bottle was made to inflate the flotation by operating the control valves,” the ISRO said.

The service module connect-disconnect system.

The service module connect-disconnect system.
| Photo Credit:
ISRO

The second test involved examining the separation of the umbilical mechanism that serves as a link between the crew module, where astronauts live, and the service module, which provides power and propulsion.

The mechanism consists of two parts, each located at the crew module side, called CSU-1, and the service module side, called CSU-2.

During the crew module’s Earth re-entry stage, the service module first separates from the crew module after the CSU-1 disconnects. Subsequently, just before re-entry, the CSU-2 is also separated.

“Separation test of CSU-2 from the simulated crew module was carried out. The test demonstrated the clean separation of CSU-2 as well as the structural stability of the crew module panel and their interfaces,” the space agency said.

Testing of the apex cover separation.

Testing of the apex cover separation.
| Photo Credit:
ISRO

The third test validated the structural integrity of the crew module during the apex cover separation event.

The apex cover protects the parachutes and associated subsystems during the mission. It is separated before parachutes are deployed to decelerate the crew module.



Source link

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How does the Gaganyaan’s life-support system operate? https://artifex.news/article71007835-ece/ Thu, 21 May 2026 17:35:00 +0000 https://artifex.news/article71007835-ece/ Read More “How does the Gaganyaan’s life-support system operate?” »

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ISRO successfully conducted the Second Integrated Air Drop Test (IADT-02) for Gaganyaan, India’s first human spaceflight mission, on April 15, 2026.
| Photo Credit: PTI

The Environmental Control and Life Support System (ECLSS) replicates the earth’s atmosphere in earth orbit by managing air, water, temperature, and waste. In short-term space missions, all supplies are carried from the earth and waste is stored for disposal later. Long-duration missions recycle the waste back into useful resources like breathable air and clean water.

What is air revitalisation?

Carbon dioxide is removed from the earth’s atmosphere by photosynthesis and by dissolving in the oceans. In Gaganyaan (the Indian Space Research Organisation mission to place a small crew of Indian astronauts in a 400 km orbit around the earth), astronauts’ exhalation will increase the cabin’s carbon dioxide content and has to be artificially removed. Elevated levels of carbon dioxide can lead to hypercapnia, causing symptoms such as headaches, dizziness, and impaired cognitive function.

A healthy adult normally exhales around 1 kg of carbon dioxide per day, though this amount increases significantly with physical exertion. The air revitalisation system (ARS) provides fresh air, removes carbon dioxide, and filters trace contaminants or odours that would otherwise accumulate in the cabin. For short missions, oxygen is supplied from high-pressure gas bottles. According to standards, a healthy crew member needs 0.84 kg of oxygen per day to support metabolic functions.

Carbon dioxide is removed using lithium hydroxide canisters. Each canister has activated charcoal that absorbs any odours in the cabin air. A spent canister is replaced by the crew with a fresh one typically every 20-24 hours. In a microgravity environment lacking natural convection, small fans in the ECLSS are the circulatory system that prevents lethal carbon dioxide and hazardous oxygen pockets from lingering.

How are pressure, temperature and humidity controlled?

The Gaganyaan crew module is designed to maintain a comfortable environment with a temperature of 20-26°C and relative humidity between 30% and 70% to ensure crew comfort and equipment safety. The moisture released through the crews’ breath and sweat are the main sources of humidity in the cabin.

Low humidity in the crew cabin can lead to dry skin, irritated eyes, and higher risk of static electricity discharge that could damage electronics. High humidity promotes microbial growth and causes condensation that may lead to short-circuits or corrosion.

Heat in the crew module is primarily generated by the metabolic body heat of the astronauts (100 to 150 W per crew) and continuously operating onboard electronics and avionics. An active cooling system is used to regulate temperature. Heat is removed by circulating the air through heat exchangers, which will expel the heat into space. The humidity is managed by condensing units that collect water to prevent fogging and short-circuits.

The pressure is held at 101.3 kPa. To mimic the earth’s sea-level conditions, the pressure control system uses electronic sensors and safety valves to balance the air and oxygen levels.

Where does water come from?

The primary challenge in space is water doesn’t ‘pour’ but forms floating globules that can cause short-circuits in electronics or pose a hazard if inhaled accidentally. So water must be mechanically forced from storage using pressurised bladders to avoid gas-liquid mixing.

In Gaganyaan, the crew relies on supply of potable water stored in specially designed pouches. They can be pressed to force water directly into the mouth.

How is waste managed?

In microgravity, liquid and solid waste do not “fall”, requiring suction-based airflow systems to pull waste away from the body and prevent it from floating around. These systems must also separate and stabilise waste to avoid microbial contamination and the buildup of toxic gases like ammonia.

In Gaganyaan, specialised faecal collection bags will be used and urine will be sucked through funnels. All waste will be chemically treated to neutralise odours and inhibit bacterial growth, then stored in sealed containers for disposal after return.

How are fires suppressed?

The lack of gravity allows fires to expand into a sphere that is harder to reach with traditional suppressants. In Gaganyaan, smoke detectors will sound an alarm to alert the crew. Fire extinguishers that create fine water mists can be used to put the fire out. A water mist effectively cools the fire and also scrubs toxic smoke particles.

Russia’s Soyuz has the option to depressurise the cabin as a last resort to extinguish the fire after the crew has worn a pressure suit.

(Unnikrishnan Nair S. is Former Director, VSSC and IIST; Founding Director, HSFC; and an expert in launch vehicle systems, orbital re-entry and human spaceflight technologies. He is currently working as Dr Sarabhai Professor at VSSC)



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Artemis II spotlights engineering of human spaceflight and ISRO’s progress https://artifex.news/article70850229-ece/ Sat, 11 Apr 2026 06:55:00 +0000 https://artifex.news/article70850229-ece/ Read More “Artemis II spotlights engineering of human spaceflight and ISRO’s progress” »

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NASA astronaut and Artemis II Pilot Victor Glover in the Orion spacecraft during the Artemis II lunar flyby on April 6, 2026. File
| Photo Credit: via Reuters

On April 10, the Orion crew capsule of the Artemis II mission splashed down in the Pacific Ocean, off the coast of San Diego, at the end of a 10-day mission that carried four astronauts around the moon and back. The crew — NASA astronauts Reid Wiseman, Victor Glover, and Christina Koch, along with Canadian Space Agency astronaut Jeremy Hansen — travelled farther from the Earth than any humans in recorded history. According to messages relayed from the astronauts, the Artemis II mission went according to plan.

India stands to become the fourth nation worldwide to launch its own crewed spacecraft, after the Soviet Union, the U.S., and China. The Indian Space Research Organisation (ISRO) has said it will announce the date for the first uncrewed test flight, designated G1, in the coming week.



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ISRO lines up 7 launches, including uncrewed Gaganyaan mission by March 2026 https://artifex.news/article70395881-ece/ Sun, 14 Dec 2025 14:09:00 +0000 https://artifex.news/article70395881-ece/ Read More “ISRO lines up 7 launches, including uncrewed Gaganyaan mission by March 2026” »

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Image used for representational purposes. File
| Photo Credit: Reuters

ISRO has lined up seven launch missions by March next year, including one to demonstrate home-built electric propulsion systems for satellite and quantum key distribution technologies, and the first uncrewed mission of the Gaganyaan project.

The first of the seven launches is expected to take place next week.

India’s heaviest rocket, LVM3, will place in orbit the Bluebird-6 communication satellite for U.S.-based AST Spacemobile through a commercial agreement with ISRO’s New Space India Limited (NSIL), Union minister Jitendra Singh recently told Parliament.

The human-rated LVM3 will soar into the sky early next year, carrying the first uncrewed mission of India’s human spaceflight Gaganyaan with a robot ‘Vyommitra’ onboard the crew module.

One more uncrewed mission is planned later next year before ISRO sends Indian astronauts into low earth orbit in 2027.

“First uncrewed mission of Gaganyaan to demonstrate end-to-end mission, including aerodynamics characterization of human rated launch vehicle, mission operations of Orbital Module, re-entry and recovery of Crew Module,” Mr. Singh said.

Next year will also see the launch of India’s first industry-built Polar Satellite Launch Vehicle (PSLV) that will put in orbit Oceansat satellite. The PSLV will have two more passengers — Indo-Mauritius Joint Satellite and LEAP-2 satellite of Dhruva Space.

To increase commercial launches of satellites, NSIL had given a contract to a HAL-L&T consortium to manufacture five PSLV rockets, under a technology transfer agreement signed in September 2025.

An ISRO-built PSLV will put in orbit an earth observation satellite (EOS-N1) for a strategic user and 18 smaller satellites of Indian and international customers.

The GSLV-Mk II rocket is expected to launch the EOS-5 satellite or GISAT-1A, which will be a replacement for GISAT-1 which failed to reach the intended orbit in 2021.

The PSLV63 mission of ISRO will put in orbit the TDS-01 satellite to demonstrate technologies such as the high thrust electric propulsion system, the quantum key distribution, and indigenous travelling wave tube amplifier.

The High Thrust Electric Propulsion System (HTEP) will enable ISRO to launch all electric satellites in future. This technology will make satellites lighter and reduce the dependence of chemical fuels.

“The technologies and components, once proved in TDS-01, will be employed in navigation and communication missions in the near-future,” Mr. Singh said.

A four-tonne communication satellite carries more than two tonnes of liquid fuel, which is used to fire thrusters to steer the satellite in space. But in case of electric propulsion, fuel requirement reduces to just 200 kg, an official said.

As fuel mass is reduced, the electric propulsion system-based satellite will not weigh more than two tonnes but will still have the power of a 4-tonne satellite.

The indigenous TWT (Travelling Wave Tube) Amplifier will enable self-reliance in critical technologies of satellite transponders.

The Small Satellite Launch Vehicle (SSLV) will also launch a dedicated satellite before March 2026.



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India To Conduct 2 Crewed Space Flights Under Gaganyaan By 2028: Government https://artifex.news/india-to-conduct-2-crewed-space-flights-under-gaganyaan-by-2028-government-7704203rand29/ Thu, 13 Feb 2025 16:29:23 +0000 https://artifex.news/india-to-conduct-2-crewed-space-flights-under-gaganyaan-by-2028-government-7704203rand29/ Read More “India To Conduct 2 Crewed Space Flights Under Gaganyaan By 2028: Government” »

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New Delhi:

India has broadened the scope of the Gaganyaan mission and plans to carry out two crewed space flights by 2028, Parliament was informed on Thursday.

According to the enhanced scope, the Gaganyaan programme will have eight missions — two crewed and six uncrewed — Union Minister of State in the Prime Minister’s Office Jitendra Singh said in a written reply in the Rajya Sabha.

Mr Singh said the earlier Gaganyaan programme entailed one crewed mission and two uncrewed ones.

The total funding for the programme has been enhanced to Rs 20,193 crore to address the programmatic requirements, according to the revised scope that includes new developments for the Bharatiya Antariksh Station and precursor missions, he said.

The allocation also covers additional requirements to meet the ongoing Gaganyaan programme, he further said.

The Gaganyaan project was announced in 2019 with the first manned space flight planned for 2022.

Mr Singh said the delay was due to the slow pace of work in the industry during the Covid pandemic, which also affected the production of avionics components.

Supply chain disruptions resulted in irregular supply of raw materials and a consequent delay in realisation of hardware, he said.

A longer cycle time for the indigenous development of a life support system also led to the delay, the minister said.

The life support system could not be procured through the external route, he added.

A major design revision in the orbital module was required to contain overall mass within the launcher (Human-rated Launch Vehicle-M3) capability further added to the delay, Mr Singh said.

(This story has not been edited by NDTV staff and is auto-generated from a syndicated feed.)




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