** Only {{MapRoute|D|red}} is capable of damaging the submarine, but as it is right in front of an empty end node the submarine can be equipped with a Damage Control item and continue the sortie after {{MapRoute|D|red}} without consuming said item.
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** Only {{MapRoute|D|red}} is capable of damaging the submarine, but as it is right in front of an empty end node the submarine can be equipped with a {{EmergencyRepair}} {{Equipment/Link|Emergency Repair Personnel|Emergency Repair Goddess|text=Damage control|link_category=Repair Personnel}} and continue the sortie after {{MapRoute|D|red}} without consuming said item.
** Only {{MapRoute|I|red}} is capable of damaging the submarine, but as it is right in front of an empty end node the submarine can be equipped with a Damage Control item and continue the sortie after {{MapRoute|I|red}} without consuming said item.
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** Only {{MapRoute|I|red}} is capable of damaging the submarine, but as it is right in front of an empty end node the submarine can be equipped with a {{EmergencyRepair}} {{Equipment/Link|Emergency Repair Personnel|Emergency Repair Goddess|text=Damage control|link_category=Repair Personnel}} and continue the sortie after {{MapRoute|I|red}} without consuming said item.