Un lancement que j'ai vu annoncé sur le site SFN
https://spaceflightnow.com/launch-schedule/ a écrit:Launch window: 0500-0800 GMT (1:00-4:00 a.m. EDT)
Launch site: Plesetsk Cosmodrome, Russia
A Russian government Soyuz rocket with a Fregat upper stage will launch a Meridian communications satellite for the Russian Ministry of Defense.