PSLV-C2
PSLV-C2 was the second operational launch and overall fifth mission of the Polar Satellite Launch Vehicle (PSLV) program. This launch was also the forty-third launch by Indian Space Research Organisation (ISRO) since its first mission on 1 January 1962. The vehicle carried three satellites which were deployed in the Sun-synchronous low Earth orbit. The vehicle carried India's first remote sensing satellite Oceansat-1 (IRS-P4) as the main payload. It also carried South Korean satellite KITSAT-3 and German satellite DLR-Tubsat as auxiliary payloads. PSLV-C2 was the first Indian Expendable launch vehicle to carry and deploy more than one satellite in a mission. This was also India's and ISRO's first commercial spaceflight where South Korea and Germany each paid US$1.0 million (equivalent to $ million in ) to ISRO for launching their satellites. Mission parameters Mass: Total liftoff weight: Payload weight: Overall height: Propellant: First stage: Solid HTPB based (138.0 + 54 tonnes) Second stage: Liquid UDMH + (4.06 tonnes) Third stage: Solid HTPB based (7.2 tonnes) Fourth stage: Liquid MMH + (2.0 tonnes) Engine: First stage: S139 Second stage: Vikas Third stage: Fourth stage: 2 x PS-4 Thrust: First stage: 4628 + 662 x 6 kN Second stage: 725 kN Third stage: