Don't forget the Attack Subs that tag along with every Carrier Strike Group playing sheep dog to the sheep dogs.
How well will the UK Carrier(s) be protected?
Assuming 1) they both get built.....2) they should ever deploy out of Home waters
Does the UK adhere to the NATO Strategy of the USN being responsible for Blue Water Ops and NATO (assuming that includes the RN) naval forces are responsible for Brown and Green water Ops?