In times of crisis and war Management, with the support of the allies, the crises rising from the infringements to the principles of International law and/or from the Humans right. Exercise of sovereignty in the maritime zones where the Navy is qualified, defense of the lines maritime of communication, main roads and allied, and protection of the ports against any air, surface or underwater attack (without forgetting the fight anti-mines). Support in operations combined at sea In times of peace To ensure the presence of Belgium at sea. To give a support for our diplomacy and our foreign trade. Technical and military collaboration with the allied countries. Participation in humane actions. Contribute to the nation in the maritime zones for which Belgium is responsible: Contribution to oceanographical search. Control of fishing Contribution to the control of pollution at sea. Participation in the plan of assistance in territorial waters Support for the customs and police operations Detection of wrecks of boats. Participation in rescues at sea. Contribution to the training of the commercial naval officers Control of territorial waters and the exclusive economic zone. If necessary, opening of the center of medicine hyperbare to the population. Destruction of explosive machines at sea Preparation with the tasks to be carried out in times of crisis and war. Contribution to dissuasion at sea by the means of permanent allied squadrons.