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Gaganyaan mission requires more time to 'focus fully on safety aspects': ISRO

Gaganyaan mission requires more time to focus fully on safety aspects: ISRO

SRIHARIKOTA: S Somanath, the chairman of the Indian Space Research Organization (ISRO) said on Thursday that the launch of Gaganyaan mission, the country's first manned space flight will not take place this year or next as the agency is keen to make sure that all safety measures are in place.

ISRO chief pointed out that this is a crucial mission adding that sending humans into space requires a lot of focus on safety.

After the successful launch of three foreign satellites by ISRO at the spaceport here, Somanath spoke to the press and said, "It is a very important mission. We have to be extremely careful when we send humans to space".

"We are testing it more number of times, We would like to do it very cautiously."

The ISRO chief stressed that various demonstrations and unmanned missions will be undertaken by the middle of next year and will ensure that everything is in order."

"(Gaganyaan) cannot happen this year or next year. This is for the safety of our folks."

"We need to remove the worry part –any time it can burst. Worry can be removed only by ruggadising the object, testing it more times and introducing intelligence in the rocket so that it can identify problems, let the aircraft know pilots can escape. But rockets cannot do that. Rockets are moving very fast and rockets themselves have to find out something is going bad now so let these fellows go away. It will automatically command an escape system and the astronauts can escape. This is new system currently what we are doing is let us wait for some more time."

"If we want to fly astronauts, we need to first prove the safety system. It has to go through many tests. We are trying to do that this year. I don't want to end up doing the Gaganyaan programme with a disaster. We will want to do it very cautiously."

Somanath said about Chandrayaan-3 that at present several tests were going on and added that "this time we are not in a hurry to go to the moon."

"This time we want to make sure we land on the moon."

"Currently the tests on lander propulsion and lander systems are underway. We want to make it very rugged. We have made the lander rugged. So some mass increase in lander has occurred. Its legs have been made stronger. The propulsion system needs to be rugged. Tests are going on at Mahendragiri for proving that. We want to look at the sensors. Last time we had doubts on sensors. So we are adding new sensors, helicopter sorties, experiments. Let us complete all tests and be clear," he further said.

The Chandrayaan-3 mission is a follow-up to Chandrayaan-2, India's first mission to land on the Moon's South Pole. However, the lander Vikram made a hard landing in September 2019.

When enquired about the plans to make the PS-IV stage a routine experiment after in-orbit scientific experiments were carried out, Somanath said, "normally the 4th stage would end up as debris in space. But, ISRO has repurposed the fourth stage and introduced a computer, control system to fire its thrusters, sensors such as star sensors that will enable it look at the stars and find its own position and also send commands from the ground."

ISRO said that the PSLV Orbital Experimental Module (POEM) activity performs in-orbit scientific experiments using the spent PS4 stage as an orbital platform. This is the first time the PS4 phase would orbit the Earth as a stable platform.

Somanath spoke about the commercial launch of GSLV, saying that GSLV is currently booked for their own internal launches.

"So we are not offering GSLV-Mk II for commercial launches for the time being. Mk-III we have already announced for launch for commercial launches. Next mission will be a commercial mission. That will carry a very well-known OneWeb satellite, mid-Sept-Oct this year and next year by January 2023."

Somanath spoke about the spaceport that is expected to come up at Kulasekarapattinam and said, "2,000 acres has come to ISRO's hands. An area, where we have to build the launch pad, is with us and the design process is complete. The tendering process has started."

With PTI inputs

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