Chennai, April 26 -- The Second Stage (GS2) of ISRO's GSLV launch vehicle was flagged off to the spaceport of Sriharikota for the Indo-US joint NISAR Satellite launch mission, scheduled for June.

The GS2 stage is a key component of the GSLV, utilizing a high-thrust hypergolic liquid propellant Vikas engine for its power, according to ISRO.

It was flagged off by Dr. V. Narayanan, Secretary, DOS/ Chairman, ISRO, on April 24, 2025, from the ISRO Propulsion Complex (IPRC), Mahendragiri, to the launch complex at Sriharikota.

The Directors of ISRO Propulsion Complex (IPRC) and Vikram Sarabhai Space Centre (VSSC) also participated in the flag off ceremony.

This liquid stage is earmarked for the upcoming mission of GSLV (GSLV-F16), th...