The UK has taken delivery of 9 Lightning aircraft to date which together with a number of military personnel, are stationed in the USA. In the early part 2018, 617Squadron will reform and will be the first RAF Squadron to be equipped with Lightning aircraft . The Squadron will return to the UK towards the end of the summer and will be based at RAF Marham in Norfolk. The Operational Conversion Unit will remain in the USA until 2019 when it will then return tothe UK and join 617 Squadron at RAF Marham RAF - LightningLightning