- Star Trek: The Motion Picture
- Star Trek II: The Wrath of Khan
- Star Trek III: The Search for Spock
- Star Trek IV: The Voyage Home
- Star Trek V: The Final Frontier
- Star Trek VI: The Undiscovered Country
- Star Trek Generations
In 2267, Fox, a Federation ambassador, was sent aboard the U.S.S. Enterprise on a diplomatic mission to establish contact with planet Eminiar VII. Fox disregarded a signal from the planet warning the Enterprise to stay away. When it was learned that Eminiar had been embroiled in a bitter, five-centuries-long war with neighboring planet, Vendikar, Fox offered his services as mediator.