I don't think they will BUT they will axe certain programs.
I believe longer term the concept of having a Pilot actually flying a plane will become outdated as the cry will be for Aircraft / Drones that can do the same while being flown by someone at a desk in Milton Keynes or where ever they site it.
Of course the inherent weakness of this in that (correct me if wrong) is that IF you can shut down the Satellites / Up / Downlinks then you become blind very quickly.
Potentially the concept of outsourcing your military requirements may start to happen where a private company does all the work.