How many pilots participated in the Battle of Britain?

Squadron Leader Roy Dutton
Squadron Leader Roy Dutton of No.145 Squadron in typical flying clothing

2917 men of Fighter Command qualified for the Battle of Britain Clasp by flying at least one combat sortie with one of the specified units between 10 July-31 October 1930.

In addition, aircrew flew with other squadrons within Fighter Command, as well as with Bomber Command and Coastal Command during the course of the Battle.