From Wikipedia: Twilight's Last Gleaming is a 1977 thriller film directed by Robert Aldrich and starring Burt Lancaster and Richard Widmark. The film was a West German/American co-production, shot mainly at the Bavaria Studios.
Loosely based on a 1971 novel, Viper Three by Walter Wager, it tells the story of Lawrence Dell, a renegade USAF general who escapes from a military prison and takes over an ICBM silo in Montana, threatening to launch the missiles and start World War III unless the President reveals a top secret document to the American people about the Vietnam War.
Read more ....
