Complex sentence: The most famous war room in popular culture was the one depicted in the 1964 film "Dr. Strangelove", and seen later in other such movies, like "Fail Safe" and "WarGames".
Split into simpler sentences: The most famous war room in popular culture was the one depicted in the 1964 film "Dr. Strangelove". Others were seen in later films like "Fail Safe" and "WarGames".