Level2 Ventures and RKKVC, together with Emerald Technology Ventures and Nabtesco Technology Ventures (NTV), have invested in Sea Machines, a developer of autonomous control systems for advanced detection and recognition technology for marine vessels. Chevron Technology Ventures and IMC Group besides participated in the $12 million backing round. Sea Machines' capital raised will be utilized to improve technology, grow its client base and increase marketplace share. The company's customers already include Lockheed Martin, MAERSK, Oersted, US Navy, US peculiar Forces and DLR.