Substructure, Inc., a global marine services company providing high-resolution marine assessment, marine pile encapsulation, and other underwater capabilities, announced that geophysical survey expert Tom Waddington has joined the company as senior marine scientist and chief hydrographer. Waddington, who brings nearly 25 years of experience in the marine survey field to Substructure’s global marine services, will oversee Substructure’s hydrographic operations, including use of their state-of-the art hydrographic survey vessel, Orion. Formerly a senior marine scientist with Science Applications International Corporation (SAIC), Waddington also has served as chief of the Survey Section for the U.S.