Live coverage: Japanese and South Korean satellites launch on Ariane 5 rocket

Live coverage of the countdown and launch of an Ariane 5 rocket with the JCSAT 17 communications satellite and the GEO-Kompsat 2B environmental monitoring satellite. Text updates will appear automatically below; there is no need to reload the page. Follow us on Twitter.

Arianespace’s live video webcast will begin approximately 15 minutes before launch and will be available on this page.