These large Mantis ships search the planets for Cryonite Crystals. They are heavily armed and can send out smaller attack craft to protect themselves when under seige.
Mantis Harvesters are large ships that mine Cryonite. They are weak alone, but when attacked, Mantis Interceptors will arrive in seconds. They can often be looted for large amounts of Cryonite. Certain levels drop Collector Blueprints.