Players who select to fight for the UNSC will go through the standard customization procedure. During this, they will choose how their character looks, their class, and what branch they will belong to. After the creation process is complete, they will enter the Unified Combined Military Boot Camp on the planet Sierra Largo. During the early training phase players will learn: Gameplay controls, Weapon variations, Vehicles, Enemy equipment. After completing basic training, players will move onto a more advanced training session, determined by what branch they chose.