OneWeb pressured to call off Russian rocket launch
The part-government-owned firm OneWeb is due to send up satellites via Kazakhstan this week. …
European rockets such as Ariane-5 or Ariane-6 are either already booked up, or not yet available. And, in any case, shifting to a different type of vehicle would require expensive and time-consuming re-engineering of the mechanism that holds the satellites on top of the Soyuz and ejects them in space at the required time.