Numerous groundbreaking features are built into the Zumwalt, among them: Tumblehome or reverse bow to slice through waves and reduce the wake; No windows or portholes; Composite superstructure; Crew of 130, which is about half that of similar warships, and no external antennas. USN Captain James A. Kirk's futuristic destroyer's stealth features will also make the ship appear as a Gloucester fishing boat on enemy radar. 