Section from the course lecture notes (Triantafyllou, Michael S., and Franz S. Hover. Maneuvering and Control of Marine Vehicles.) covering the following topics: nominal drag force, munk moment, separation moment, net effects: aerodynamic center, role of fins in moving the aerodynamic center, aggregate effects of body and fins and coeffcients Zw, Mw, Zq, and Mq for a slender body.