Generally speaking, people with weak colors can't be soldiers, because the requirements of being a soldier are very strict. For vision, what is required is normal vision, and there can be no color vision disorder, especially green. It is very important for the army to distinguish green, so unfortunately, it is impossible to be a soldier without distinguishing green.
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To be a successful soldier, pre-job training is very important, similar to militarized management. In order to make prospective recruits adapt to the life and training in the military camp in advance, they can successfully join the army after passing the final exam.
Whether it is a junior college student, a student from two ordinary colleges, or a student from a key university, there is an organic joint entrance examination in the military academy. It is as difficult to get into a military school in the army as it is in a local military school, and the competition is fierce. Some people were full of confidence at first, but with the passage of time, their enthusiasm for taking the military examination began to decline and finally gave up.
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Baidu Encyclopedia-Physical Examination Standard for Citizens to Apply