You can form your defense team to protect your airship, and protective deck gives missile damage to the machina approaching your airship.
The higher the facility leve is, the more defense team can be set. And it also increases Anti-Machina Missile damamge.
※The heroes and machinas out for hunt and attack cannot be in defensive battle even if they are in a defense team.
※If there is any empty slot in Defense Team, available heroes will automatically placed in order of their power level.