It is the best of only a few movies that I have seen in 16 years (I love movies but have no time to watch, so I am ignorant), hard sci-fi style, the portrayal of the male protagonist is very good, and the casting is not bad, the female protagonist is very good taste. The shortcomings may be mainly reflected in the layout of the base scene at the beginning and the vagueness of the explanation of the source of the ghost at the end. But in the end, the difference between the male and female protagonists is a highlight of human nature, and the actions of the soldiers at the end also reflect the anti-war style of the whole film. In short, if you like sci-fi, you should not miss it.
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