Wander00
I think you will find that most of the where, who & when decisions have been made and as it is a single source contract the greater financial oversight has to be gone over before the project can go ahead at full steam.
The ball will soon be firmly in the court of the type certificate holders and RAF supply system to provide appropriate support as the contractors and their sub contractors are tooled up with all the technical issues under control and just awaiting the green light to proceed as quickly as they can.