E.C.O Unit Elements: Nuclear, Vivid, Desert, Elastic Meet E.C.O (Emergency Critical Offensive) Unit, a Xinethan-built machine programmed to intercept & neutralize unwanted guests on the X-Carrier. It’s armed with a multi-purpose arm cannon that can launch missiles, spew flames, and vacuum up things. It’s been activated due to the arrival of the monsters on the ship, and it’s ready for action.