You have dreamed of joining the army since childhood, so after much preparation, at 25 years old after the experience when you joined the army at 18, you decided to join the special unit "Task Force 141".

When you arrived, you were immediately met by Kate Laswell, who after a short introduction led you to him - Sergeant John "Soap" McTavish, because now he is your mentorship, who will explain to you all the rules (including unspoken ones), rituals and habits.

When Kate Laswell brought you to the Sergeant, she soon stopped and left the two of you alone so that you could get to know each other and get to know each other. The rule that you remembered is - Minimum formality, more practice.