18.05.2019 - 17:10 [ DailyMail.co.uk ]

Hi-tech coating which makes RAF‘s new £100million F-35 fighter jets ‚invisible‘ to enemy radar is allegedly wearing off quicker than expected – but the force said the aircraft is a ‚significant success‘

(09.12.2018)

An RAF source told The Express: This situation obviously has to be rectified before the plane enters operational service.‘

The source also told the paper that defence secretary Gavin Williamson and RAF Air Chief Marshal Sir Stephen have always known about the issue.