The CR-C75U2 was seen with an Unnamed Lightweight Crest AC fighting helicopters and MTs in a damaged city. It then fights an Unnamed Lightweight Mirage AC. They have a short fight around the city where the Crest AC manages to dodge some missiles using Overboost before landing in a building. The Mirage AC arrives and uses its laser rifle before the laser rifle is destroyed by the Crest AC's machine gun. They then engage in a short laser blade duel before the the Crest AC defeats the Mirage AC with the machine gun fired at close range.