John Mackintosh (Transocean Electrical Supervisor; seated), explains the workings of the JOIDES Resolution's dynamic positioning system to a group of Leg 204 scientists. From left, Thjunjoto (HYACE engineer; Germany/Indonesia), Maarten Vanneste (Geophysicist; Norway), Alexei Milkov (Sedimentologist/Geochemist; USA), Char-Shine Liu (Physical Properties Scientist; Chinese Taipei), Peter Schultheiss (Physical Properties Scientist; United Kingdom), and Melanie Holland (Microbiologist; USA).