Question: Closing the Ring is a 2007 film directed by an English filmmaker who served in the film unit of of the Royal Air Force duing what war?
Sentence (from "William Dickson (RAF officer)"): Dickson was Chief of the Air Staff in the mid-1950s, in which role his main preoccupation was the establishment of the V Force and the necessary supporting weapons, airfields and personnel.
Relevant evidence: No