What does the acronym RAF stand for?

The acronym RAF stands for Royal Air Force, which is the aerial warfare service branch of the British Armed Forces. Established in 1918, the Royal Air Force has played crucial roles in numerous conflicts and is responsible for the defense of United Kingdom airspace, as well as providing support and assistance in operations around the world.

This designation highlights the specific focus on air power and operations, distinguishing it from other branches of the military. The other options do not accurately reflect the official name or function of the service; for example, Royal Aviation Force and Royal Armed Forces imply broader or different responsibilities that do not align with the established role of the RAF. Similarly, Royal Air Forces is not the correct term, as "Force" in the singular emphasizes the unified nature of the air service under a single command.