You Only Live Twice (1967)

During the height of the Cold War, the United States and the Soviet Union lose one spacecraft each after they are both seemingly swallowed whole by a second unidentified spacecraft. The two superpowers are quick to blame one another for the disappearances, causing tensions to skyrocket. The United Kingdom has an alternate theory regarding the disappearances however, a theory involving Japan, and sends their number one spy, James Bond, to investigate there. With the help of the Japanese Secret Service, he uncovers a plot far more sinister than anyone could have ever imagined.