The forthright young woman, dressed in white and with loose-flowing hair in the wind [in contrast to the dress and coiffure of his fiancee], first gives him an education on proper golf etiquette and scolds him for talking while she is swinging:Susan: You shouldn""t do that, you know.In gritty, documentary-style black and white, director Fred Zinnemann (who had directed the acclaimed westernHigh Noon (1952)a year earlier) accurately captured the isolation and boredom of the military personnel in a close-knit Army barracks on the island of Oahu, combining social/military history with the drama of the personal lives of its main characters - an enlisted man and a neglected officer""s wife, and a prostitute and a military outcast.After Marty acquired the almanac by stealing it from Biff during a tense hoverboard-car chase sequence, he was able to succeed in his mission ("the future is back") by burning the almanac (and he also buried Biff under a pile of manure - "Manure.Yes, I like that name.Jerry remembers to notify the veterans waiting below outdoors: "Hey, it""s a boy!" Following his signal, they fire a one-gun salute.