Originally Posted by Bill Macgillivray
I seem to remember (a long time ago!), that once your "Wings" were awarded they remained provisional, until you had completed six months satisfactory operational service. Open to correction!
Bill
In my time in the RAN wings were confirmed upon the completion of an OFS, I never did an OFS and hence completed my SL time with provisional wings, that's despite having combat time and receiving a decoration courtesy of Her Majesty and two courtesy of the US. The only OFS's on offer were via Wessex, Tracker or A-4. Things fall through cracks.