 Article III requires that the defendant has suffered an "injury in fact", the injury is fairly traceable and it is likely that the injury will be repaired by a decision in favor of the defendant.The court found that Sausalito had an "injury in fact" because the Fort Baker project could attract up to 2,700 visitors per day, impacting traffic, aesthetic appeal and revenue in Sausalito.The court also found that the city had statutory standing for the injunction suit as well.