The latest reports, via Jane’s,
suggest that the plan of retiring the Tranche 1 Typhoons by 2019 will be abandoned. They will instead be retained, and two more squadrons will be formed, to keep up RAF strength as the Tornado GR4 bows out, by 2019 according to the latest plan.
In addition there would be 48 F35B for the Carrier Strike fleet, procured apparently between 2013 and 2023.
There are some problems in retaining the Tranche 1s, however. The role for which they could more easily be retained is the Air Defence / Quick Reaction Alert role, but even for this, the airplanes would ideally need the AESA radar, since Meteor is best exploited with such a radar system. Other improvements would also be necessary, and of course the missile integration would have to be validated on the older Typhoons. As it is, Meteor is being integrated on Tranche 2 and Tranche 3 only.
... an mangelhaften Englischkenntnissen Deinerseits dürfte es zumindest nicht scheitern. Der Stand der Ereignisse Wednesday, August 1, 2012
Wäre schön, Du könntest belegen, wo ich etwas über Tranche 1 für die Saudis geschrieben habe.