To be a proper team with at least 50 members.
Team Air is a team for players to join and to be part of. Anyone can join on any ****'s a starter team for people that want to join and want to say there part of a team.
This team is no longer recruiting new players. You can either wait until their next recruitment campaign, or become premium to apply in their waiting list. This way, they'll be notified that you're interesting in joining them.