Chennai, Apr 26 (UNI) 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),

that will launch the NASA-ISRO Synthetic Aperture Radar (NISAR) satellite.

The launch campaign activities for this mission have already commenced at

Sriharikota in the first week of this month (April).

NISAR is an advanced microwave remote sensing satellite with dual band

synthetic aperture radar featuring sweep-SAR technology.

This satellite will map the entire globe in 12 days. NISAR features advanced

RADAR imaging that will provide unique data in regard to Earth Observations

related to Agriculture, likelihood of earthquakes, landslides etc.

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