Spoilers of the Plains
This classic Roy Rogers western, written by Sloan Nibley and directed by William Witney, features the singing cowboy playing a character by the same name who owns an oil pipeline located near a missile launching site. The devious Gregory Camwell (Grant Withers) has designs on the missile, and steals some of Roy's oil in the process of gaining access to the missile site. In an action-packed climax, Camwell has rigged a missile with explosives, and has Roy tries to stop him, the story showcases a notable fight between the men on top of an oil derrick.