The term class 3 could refer to: * Class 3 containment field * Class 3 defensive * Class 3 humanoid * Class 3 moon, a moon classification * Class 3 neutronic storm, a type of neutronic storm * Class 3 nebula, a type of nebula * Class 3 offense, a violation of Bajoran law * Class 3 probe, a type of probe * Class 3 pulse rifle, a type of weapon * Class 3 surveillance device, a type of surveillance device You may also be looking for: * Type 3 disruptor * Type 3 isolinear emitter * Type 3 phaser rifle * Type 3 stealth assault