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Gslv mark iii

The meaning of «gslv mark iii»

The Geosynchronous Satellite Launch Vehicle Mark III (GSLV Mk III),[1][15] also referred to as the Launch Vehicle Mark 3 (LVM3),[15] is a three-stage[1] medium-lift launch vehicle developed by the Indian Space Research Organisation (ISRO). Primarily designed to launch communication satellites into geostationary orbit,[16] it is also identified as the launch vehicle for crewed missions under the Indian Human Spaceflight Programme and dedicated science missions like Chandrayaan-2.[17][18] The GSLV Mk III has a higher payload capacity than the similarly named GSLV Mk II.[19][20][21][22]

After several delays and a sub-orbital test flight on 18 December 2014, ISRO successfully conducted the first orbital test launch of GSLV Mk III on 5 June 2017 from the Satish Dhawan Space Centre, Andhra Pradesh.[23]

In June 2018, the Union Cabinet approved ₹43.38 billion (US$580 million) to build 10 GSLV Mk III rockets over a five-year period.[24]

GSLV Mk III launched CARE, India's space capsule recovery experiment module, Chandrayaan-2, India's second lunar mission and will be used to carry Gaganyaan, the first crewed mission under Indian Human Spaceflight Programme.

ISRO initially planned two launcher families, the Polar Satellite Launch Vehicle for low Earth orbit and polar launches and the larger Geosynchronous Satellite Launch Vehicle for payloads to geostationary transfer orbit (GTO). The vehicle was reconceptualized as a more powerful launcher as the ISRO mandate changed. This increase in size allowed the launch of heavier communication and multipurpose satellites, future interplanetary exploration and will be human rated to launch crewed missions.[25] Development of the GSLV Mk III began in the early 2000s, with the first launch planned for 2009–2010.[26] The unsuccessful launch of GSLV D3, due to a failure in the cryogenic upper stage,[26] delayed the GSLV Mk III development program. The GSLV Mk III, while sharing a name with the GSLV, features different systems and components.

The first static fire test of the S-200 solid rocket booster, ST-01, was conducted on 24 January 2010. The booster fired for 130 seconds and had nominal performance. It generated a peak thrust of about 4,900 kN (1,100,000 lbf).[27][10] A second static fire test, ST-02, was conducted on 4 September 2011. The booster fired for 140 seconds and had nominal performance.[28] A third test, ST-03, was conducted on 14 June 2015 to validate the changes from the sub-orbital test flight data.[29][30]

ISRO conducted the first static test of the L110 core stage at its Liquid Propulsion Systems Centre (LPSC) test facility at Mahendragiri, Tamil Nadu on 5 March 2010. The test was planned to last 200 seconds, but was terminated at 150 seconds after a leakage in a control system was detected.[31] A second static fire test for the full duration was conducted on 8 September 2010.[32]

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