About Star Trek: The Next Generation Season 6, Episode 10 : Chain of Command, Part I

Picard, Worf, and Dr. Crusher are reassigned from the Enterprise to a secret mission. Meanwhile, the Enterprise is under the command of Captain Edward Jellico, who immediately starts making changes, much to the dismay of the crew. Guest Stars: David Warner, Natalija Nogulich, Lou Wagner, Ronny Cox, John Durbin,