2001 A space Odyssey

…

…nice hotel suite, carefully constructed to make him feel at home. Bowman lies down to go to sleep. While he sleeps, his mind and memories are drained from his body and preserved in a light structure. David Bowman is being made immortal and without a body. Bowman returns to our solar system and looks over Earth. A nuclear warhead has been fired; Bowman detonates the warhead in the air, saving the world from nuclear destruction.