JAJ wrote :
Los will stay open, with XV(R) + 1 x FL GR4 sqn. Typhoons will move from Leu to Los and eventually Los will be Tiffie base. Kinloss runway will be maintained as an RLG/div for Los. RAF will leave Leu.
Marham becomes F35 hub, replacing GR4 as it retires.
Simples, but JMO.
BBC News - RAF Marham base for Joint Strike Fighter
Uncanny prescience......