F Troop (1965)

The accidentally heroic and chronically inept Capt. Wilton Parmenter is given command of Fort Courage, Kansas, a dumping ground for the army's least useful men, at the end of the Civil War. There, he must contend with the illegal business enterprises of crafty Sgt. O'Rourke and the local Hekawi Indians, occasional mock (and even more occasionally real) battles, and the romantic attentions of "Wrangler" Jane Angelica Thrift.