You don’t even know what the heck you are talking about.
Before joining the US military, a proper background check is conducted in which they do a full security profile including a criminal check. Criminals are forbidden on joining the US Army.
Those committed for petty crimes such as stealing and larceny are given a second look in which a review board determines whether they should be permitted to join the military.
This is yet another examples of Pakistanis trying to be experts on subjects in which they don’t have a single iota of knowledge about.