SpaceX CEO Elon Musk Wednesday congratulated the Indian Space Research Organisation (ISRO) for successfully conducting the third long-duration hot test on the Vikas Engine that would launch the ambitious Gaganyaan programme. Musk?s one-word tweet also has an Indian flag. The engine was fired for a duration of 240 seconds at the ISRO facility in Tamil Nadu's Mahendragiri. "The performance of the engine met the test objectives and the engine parameters were closely matching with the predictions during the entire duration of the test," ISRO said. 

Musk, the founder of aerospace manufacturing giant SpaceX, commented "Congratulations" on ISRO's tweet.

#ISRO on July 14, 2021 has successfully conducted the hot test of the liquid propellant Vikas Engine for the core L110 liquid stage of the human rated GSLV MkIII vehicle, as part of engine qualification requirements for the #Gaganyaan Programme

Read More: https://t.co/cqYatVNwsf pic.twitter.com/4MFvHIBgVW

? ISRO (@isro) July 14, 2021

ISRO tested the liquid propellant Vikas Engine as part of the engine qualification requirements for the Gaganyaan programme, the test was conducted for the core L110 liquid stage of the human-rated GSLV MkIII vehicle, ISRO said in a statement. Gaganyaan is ISRO's major project of sending humans to space, to a low earth orbit, onboard an Indian vehicle. The first unmanned mission is planned for December 2021 and the second one is scheduled in 2022-23.

As per the official statement released by ISRO, the engine's performance met the test objectives and the parameters were closely matching with the predictions during the entire duration of the test.

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