Because when you join the military, which your post shows you never, you take an oath to obey orders and protect the constitiution. They are simply obeying the orders thus given them by their commanding officers. They would be committing treason if they did anything opposite of what their order's pertain to.
Because when you join the military, which your post shows you never, you take an oath to obey orders and protect the constitiution. They are simply obeying the orders thus given them by their commanding officers. They would be committing treason if they did anything opposite of what their order's pertain to.