I think what pisses me off the most, about the Gun training scene is...

Gwen's a BLOODY COPPER! Hello! Firearms training is a part of the, y'know... the training. Christ almighty, if she doesn't know how to use a bloody gun, what's she doing in the police force? - Though, my Godfather was a police officer for a good thirty odd years, and two of his sons joined up, so this could just be a personal irk.