By battling with other soldiers, you can acquire Stars. You can also acquire money from their liquid assets if you win. The battle page is populated by soldiers within your fight range. Fight ranges are determined by weapons available in your arsenal. While battling you will attack or defend with however many squad members and weapons you have. The outcome of the battle will be determined by the number of members in your squad, the types of weapons used and the number of stripes allocated to either attack or defense.