January 25, 2021 DEA Marine Services, a division of David Evans and Associates, Inc. (DEA), in Vancouver, Wash., is leveraging a Sea Machines Robotics SM300 autonomous-command and remote-helm control system to fulfill a National Oceanic and Atmospheric Administration (NOAA) contract that is now surveying more than 3,500 nautical miles of the Western Galveston Bay, near the Houston Ship Channel. The SM300 has been installed aboard the DEA survey boat Sigsbee, which is serving as an autonomous daughter craft for the project. Sigsbee is effectively doubling coverage by operating without an onboard crew, while collaboratively following another DEA-staffed hydrographic survey vessel, which serves as the mothership. The goal is to cover the Bay’s large and shallow survey areas more efficiently than traditional, crewed survey vessel operations. DEA operators located aboard the mothership are commanding the autonomous