(BBC documentary, 1965)

A Bedford OB is seen side on in this legendary documentary made in 1964 but not transmitted until 1985. (thanks Bob Wingrove)
Alan Sinclair adds “At the beginning of 'The War Game' a Maidstone and District single-decker is seen briefly - possibly an AEC Reliance. Later in the film, evacuees board one of several Maidstone and District Leyland Atlanteans.”

(screencaps by stronghold)