sentences:  Depending on whether the target criteria are met, the Phalanx mount automatically engages the incoming target if it is judged to be hostile in nature, or the system recommends that the Phalanx operator engage the target.Phalanx CIWS mounts were used by "Missouri" and "Wisconsin" during the 1991 Gulf War; "Wisconsin" alone fired 5,200 20 mm Phalanx CIWS rounds.