National security -- Terrorism -- Pirates -- 2 Prevention. -- 2 Terrorists -- 2 Civil defense -- 1 Emergency management -- 1 more ... Foreign relations 1 Government policy -- 1 International cooperation 1 Law enforcement -- 1 Naval strategy 1 Navigation -- 1 Piracy -- 1 Prevention -- 1 Safety measures. -- 1 Sea control -- 1 Sea-power -- 1 Southeast Asia 1 Southeast Asia -- 1 Strategic aspects 1 Terrorism 1 less ...