INDEX Administration Department Public relation, international relation, personnel management, budget, etc. Equipment & Technology Department Shipbuilding and construction of JCG's airplanes. Guard & Rescue Department Maintainance of public order, oil pollution response and Search and Rescue Hydrographic and Oceanographic Department Hydrographic surveys, oceanographic observation and provision of navigational charts,  publications and information that required to ensure navigational safety. Maritime Traffic Department Implementation of navigation safety measures, and construction, maintenance and operation of Aids to Navigation.