That having been said, we’ve got more than enough story beats in the previous two trailers released conventionally, and with all of this information a picture is starting to form.
That picture tells us that Dunkirk is a big contender to be one of the best theatrical experiences of next year, if not one of the best films overall.
If anything, the seven minute extended look at Dunkirk is meant to serve two purposes: it shows off the visual language of Christopher Nolan’s approach to World War II action, and it displays the scope of both the 70mm photography and full IMAX presentation of some key sequences of the film’s photography.