Once a Private in your army you will be put into a company.You will more then likely either need to add your sergeants Gamertag to your friends list or if your company has a clan join it. Also You will be fighting in the war each week. This is the start of your role in the army. You are at the bottom of the list and if you want to rank up in the army you will need to attend the battles. After 2 Weeks of participation (Attending the Battles) you will be a Private H2.