These are NFTs created from the combination of all your Miners, Soldiers and Vehicles. You can add NFTs to these Convoys, or DISBAND them entirely, recovering all your Miners, Soldiers and Vehicles separately again. Every player can disband their convoys any time they wish. Disbanding is free and it has 12 hour cool down, and during this time the disbanded convoy cannot be used Your Convoys will have different attributes, among them Name, Total Mining Power, Total Attack Power and Rank. There is no maximum limit of Convoys per account.