Commander Bolton: You can practically see it from here.
Colonel Winnant: What?
Commander Bolton: Home.
The me-109 have painted yellow fronts, this wasn't done by the Germans until after Dunkirk. Christopher Nolan has admitted doing this deliberately so the audience could tell the difference between the spitfire and the me-109 during the combat scenes.
There are only two women with speaking parts in the whole film, with 47 words between them.