Is CASTLE KEEP an art film?

Of all my favorite war films, CASTLE KEEP is one of them, and NOT because it's a war movie. The war movie scenario was but one large, Hollyood-constructed film set, (I'm speaking metaphorically) for an expressive, artistic movie about symbolism, religious symbolism, how tormented and troubled souls intersect with each other in the most improbable of places, a remote Belgian manor castle in late autumn of 1944, which turns out to be the most appropriate of scenes for this assembly of disparate souls, each person, quite possibly an individual metaphor for some moral.
The religious metaphors are impossible to miss. The harmless madam of the fancy brothel, 'The Red Queen', takes the place of the New Testament Holy Land denizen who asked Jesus, "Where do you come from? Where are you going?" The piercing red lighting of the Red Queen, the clanging music, the gaudily dressed laughing prostitutes all depict ersatz gaiety and fun, which really is supposed to be hell.
Quite possibly, the ongoing Vietnam War at this time in 1969, where anti-war protests has reached their peak, may have heavily influenced an anti-war or more, an un-war theme underlying this movie.
If so, this would be the only war movie I've ever known of that aspired to be a noir art film, and for the intellectual, thinking, movie-goer, succeeds. For those who were expecting another, 'Saving Private Ryan', this movie is best avoided. You won't get what you seek. But if you're looking for something different with far more substantial philosophical and existential and metaphorical depth, then step right into the movie theater here, sit down, grab your popcorn, make yourself comfortable, put on your thinking cap, and watch, CASTLE KEEP, which begins with a ragtag group of disparate U.S. Army survivors who have emerged traumatized in mind and spirt from the horrors of the autumn 1944 Battle for the Hurtgen Forest who stumble upon a magical-like, beautiful European castle manor that seems to have just materialized from a comfortable dream, unaware they are on the eve of another devastating Battle for the Ardennes, just days away.