He said: “Many of our members volunteered at RAF 100 events throughout 2018, helping to make a huge difference to the profile and success of the centenary celebrations.”

Ordinary membership costs £20.50 per year for those who are serving or have served in the RAF, Reserves, Royal Observer Corps or one of the Commonwealth Air Forces. People who are over 18 and were in the Air Cadet Organisation can also join as Ordinary Members.