 Complete the following phrase:  Fort Apache is a 1948 American Western film directed by John Ford and starring John Wayne and Henry Fonda. The film was the first of the directors cavalry trilogy and was followed by She Wore a Yellow Ribbon 1949 and Rio Grande 1950, both also starring Wayne. The screenplay was inspired by James Warner Bellahs short story Massacre 1947. The historical sources for Massacre have been attributed both to George Armstrong Custer and the 