RAF - Royal Air Force.
Military flying started in the British Army in its "Royal Flying Corps". Known as "RFC" for short.
Later, the RFC was separated from the Army to form a new military entity called the Royal Air Force or "RAF" for short.
(The answer below is just a little joke!)
Another answer
In the First World War, The British Air Force were known as the "Royal Flying Club", which in a way, was what they were, as the RFC was formed from all the little English flying Clubs that were scattered around England.
In WW2 they became the RAF, [The Royal Air-Force].
The abbreviation RAF is contained in their brass cap badge and is embroidered on their pilot's wings.
RAF would be the abbreviation for the Royal Air Force.
Royal Air Force-RAF
RAF would be the abbreviation or acronym of Royal Air Force.
RAF for Royal Air Force
Air Force Base
The US Air Force uses PAX for a abbreviation for passenger
RAAF
MSgt or MSGT
Royal Air Force (RAF) is one possibility.
RNZAF is an abbreviation for "Royal New Zealand Air Force".
Royal Armoured Corps (RAC) Royal Air Force (RAF) Royal Navy (RN)
Yes, definitely they were recognised. It's aircraft were also individually recognised by the red ,white and blue 'roundel' and fin flash.