Rio Lobo is a 1970 American Western film starring John Wayne. The film was the last film directed by Howard Hawks, from a script by Leigh Brackett. The film was shot in Technicolor with a running time of 114 minutes. The musical score was composed by Jerry Goldsmith and the movie was filmed at Cuernavaca in the Mexican state of Morelos and at Tucson, Arizona. Wikipedia
Cord McNally: (to Ketcham) You mess this up, Sergeant Major, and you won't live to *know it*!