GSLV MK III

About Geosynchronous Satellite Launch Vehicle Mark III (GSLV Mark-III)

• ISRO has developed the geo-synchronous satellite launch vehicle (GSLV-Mark I-III) with indigenous cryogenic engine
• The main function of GSLV Mark-III is for Mid-Heavy Lift Launch System.
• Objective: To launch heavy satellites weighing more than two tonnes into geostationary orbit 36,000 km above Earth.
• It will allow India to become less dependent on foreign rockets for heavy lifting.
• GSLV Mark-III comprises of three stage vehicle with a first stage consisting of two identical large solid boosters strapped onto the second liquid stage. The third stage is a cryogenic stage.

ISRO’s flight development plans

• First development flight (GSLV MK III D1) with an operational cryogenic stage is planned in between 2016 to 2017.
• Second development flight (GSLV Mk-III D2) is planned after one year of GSLV Mk-III D1 flight in 2017 to 2018.
• Successful flight development will help in India’s manned mission to space.
• The 630-tonne GSLV-MK III will carry a crew module of 3.65-tonne. ISRO plans to send astronauts into space eventually.