“His name is Oliver W. Tyler. Dr. Tyler is a former naval officer who is now associate professor of engineering at the Naval Academy and a paid consultant to Sea Systems Command. He’s an expert in the analysis of Soviet naval technology. Skip—Dr. Tyler—concluded that these doors are the intake and exhaust vents for a new silent propulsion system. He is currently developing a computer model of the system, and we hope to have this information by the end of the week. The system itself is rather interesting.” Ryan explained Tyler’s analysis briefly.