Live coverage of the countdown and launch of a Proton rocket with the Turksat 4B communications satellite. Text updates will appear automatically below; there is no need to reload the page. Follow us on Twitter.
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Ariane 5
Ariane 5 launches India’s biggest satellite, South Korean weather observer
An Ariane 5 rocket fired off a launch pad in French Guiana Tuesday with nearly 3 million pounds of thundering thrust, heading to orbit with India’s heaviest satellite designed to expand broadband coverage across the South Asian nation, and a South Korean weather satellite carrying an U.S.-built imager to track storms and cyclones across the Asia-Pacific.