Offshore Systems International Ltd., a marine electronic navigation company with a strong defense niche, announced that it has completed the installation of its latest ECPINS-M system aboard Lockheed Martin's Sea SLICE advanced technology demonstration vessel. Developed by the United States Navy Office of Naval Research and the Naval Electronics & Surveillance Systems division of Lockheed Martin, Sea SLICE will be participating in the United States Navy's Fleet Battle Experiment - Juliet this summer. The U.S. Navy's Fleet Battle Experiments are underway-exercises designed to evaluate new technology and new operational concepts for future development and deployment.