Figure F29. Photograph of JAMSTEC's remotely operated vehicle (ROV) Kaiko, which activated the NEREID-191 system of the WP-2 observatory. All seafloor assembly electrical connections, the data storage unit, and the data handling and control unit can be removed and replaced by the ROV. The Kaiko visited Site 1179 on 29 October 2000 to activate the WP-2 observatory.