Some eastern countries, like Ukraine, had their procedures quite a long time based on QFE.
They are adopting to QNH nowadays. Will the british military adopt, too?
I doubt it. Why? Because it has always been like this!
During my military time we just accepted the QFE for landing in Britain.
British military jockeys came on the radio in old Germany:
"Request all infos for QFE" The empire?