With all respect, I find it very difficult to believe that SAS...

With all respect, I find it very difficult to believe that SAS can make a launch date Mid 2019 (originally Q1 2019) with Virgin Orbit, as stated in their response to the ASX query just a few days ago, when Virgin Orbit in their service guide state:
"For a standard engagement of a primary payload, payloads can launch in as little as 9 months from contract execution."
https://virginorbit.com/wp-content/uploads/2018/11/Virgin-Orbit-Service-Guide.pdf
I see no proof of any contract execution. So, either SAS or Virgin Orbit have made a misleading statement.