Portugal is participating, from its inception, in the Proliferation Security Initiative, launched in May 2003. Its objective is the interdiction/interception of trafficking of WMD and related material.
自2003年5月启动起，葡萄牙就一直参加“防扩散安全倡议”，其目的是制止/拦截大规模毁灭性武器及有关材料的贩运。