Strategic aspects National security -- 6 Foreign relations 4 Navigation -- 3 Piracy -- 3 Pirates -- 3 Southeast Asia -- 3 more ... Defenses 2 Foreign relations -- 2 Safety measures 2 Safety measures. -- 2 Sea-power -- 2 Terrorism -- 2 World politics -- 2 Chinese -- 1 Conflict management -- 1 Economic development projects -- 1 Foreign economic relations -- 1 International cooperation 1 Maritime Terrorism -- 1 Politics and government -- 1 Regionalism -- 1 Safety measures -- 1 Southeast Asia 1 Territorial waters -- 1 less ...