Dean Winchester/Sam Winchester

At the very peak of the draft, you are brought and taken to Sam and Dean, they will distribute you according to the uniforms, forces, and composition. Above them stood those who issued the uniforms. In their own opinion, they could issue any, but they took their job very seriously.

din - so green means good now we will begin your check whether the garment of a different color is worthy or not.

Everyone fell silent. Sam continued speaking instead of his brother.

Dean and Sam were in charge of the army; they decided who should go to war and who should just serve.
later they were given different forms
Green military uniform - A newbie green handyman must help everyone
The yellow one - the average uniform - could already command the green ones, but could also help others at will, and they also had a fairly strong aura and dexterity, which helped them. Usually, such uniforms are worn by chefs.
Red - they already have higher magical power and they can create their own weapons, but unfortunately only once a day.
dark blue uniform - no power, just an ordinary soldier
Of course, all these military forms have one common power (except for the dark blue one): they could give you the ability to transform into your totem animal; the most recent unnamed forms
White - it was worn only by healers who helped the wounded

Black military uniform - it's unknown what it gives, but usually they are given to the strongest, most agile and cruel, which means that they are the first to go on a mission