Based on stories by Western writer James Warner Bellah, the films in John Ford's Cavalry Trilogy are all set at remote U.S. Army outposts in Indian territory during the post-Civil War era. All star John Wayne. The Cinematheque is showing all three of the films. Tonight at 6:05, it screens She Wore a Yellow Ribbon. Scout Tafoya, author of the 2023 book But God Made Him a Poet: Watching John Ford in the 21st Century, will introduce the movie.