Dunkirk Trailer Breakdown: 21 Things You Need To See

By Jack Pooley /

14. The Cost Of War

Warner Bros.

And as thrilling as the action sequences will be, it would be remiss for the film not to focus heavily on the ultimate cost of war: human lives.

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With dead bodies laid over the Dunkirk beach, all while Tommy and a fellow soldier cart a wounded comrade to receive medical attention, it looks like the PG-13 rating won't prevent the film from realising the Hell-on-Earth that is war even if that's not the core focus.

Warner Bros.