For one it would prove that they have at least -some- self control and self discipline. Also the military basically keeps 19 year olds in tight reign with an cl

For one it would prove that they have at least -some- self control and self discipline. Also the military basically keeps 19 year olds in tight reign with an clean line of command and a lot of training to do what you're told with relatively very rare combat situtations and when they get in those situations they are surrounded by others doing exactly the same thing, rather than alone (or at most a partner) in a community that hates cops.