regional security

regional meteorological service/ regional weather service (RWS)

regional security system

NATO regional commander

regional and global relationship

regional command (RC)

regional defense alliance

regional naval control of shipping

regional orientation

Regional Planning Committee (NATO)

regional planning guide

regional reserve forces

regional war

operational meteorological data regional exchange point (OPMET)

regional warning system (RWS)

regional tributary sea

regional airline

regional application

Canada-United States Regional Planning Group

Regional Air Movement Coordination Centre (RAMCC)

security agreement (information security, NATO)

all-around security

all-embracing system of international security

area security

Area Security Coordination Center (ASCC)

army intelligence and security

Assistant Secretary General for Political Affairs and Security Policy

Assistant to the President for National Security Affairs

battlefield security

border (security) forces /troops

border security

Central Security Service (CSS)

centres for security studies