That is very likely as there were personnel from many of the occupied countries. Many, such as the Poles, Dutch,and French were so numerous that they had their own squadrons within the RAF.
Royal Canadian Air Force Women's Division's motto is 'We Serve That Men May Fly'.
British South Africa Police's motto is 'For King, For Country, For Law'.
The Royal Air Force also known as the RAF is the aerial warfare division of the British Armed Forces. They serve the United Kingdom but have several long established overseas bases.
The P-38 served in the USAAF and the Royal Air Force, possibly the RAAF too, but I can't confirm that.
The last living British World War I veteran, Florence Green, died on February 4th, 2012 at the age of 110. She was a member of the Women's Royal Air Force and the last living person to serve in WWI.
Royal Navy Air Engineering technicians (AETs) serve both at sea and when aircraft are ashore supporting land troops.An AET does have the opportunity to work with the Commando Helicopter Force which as the name suggests will work with Royal Marines both at sea and ashore.There is an opportunity for some (not all) to volunteer for Royal Marine training but I stress this is voluntary and by selection.
Royal Canadian Postal Corps's motto is 'Serve the Soldier'.
Prince William was commissioned an officer in the British Army in December 2006, as a troop commander in an armored reconnaissance unit.He then learned to fly, and was attached to the Royal Air Force, completing the course and receiving his RAF Wings in April 2008. In January 2009 he transferred his commission to the Royal Air Force, where he became rotary-wing (helicopter)-certified.
France
Royal = United Kingdom- England? Yes, they allow Gays to serve, have for years.
The motto of Royal Military College - Malaysia - is 'Serve to Lead'.
Scotland doesn't have a separate military force outside of the British Armed Forces. Scottish people wishing to join the Royal Air Force serve in the same capacity as all other members, regardless of rank. Naval personnel serve similarly. The number of regiments in the British Army are now much reduced and whereas there used to be many old regiments within Scotland, they have now all been amalgamated into the Royal Regiment of Scotland which is still part of the British Army.