All CRS ReportsRead full report on EveryCRSReport.com
RL34327Foreign Affairs
Proliferation Security Initiative (PSI)
Federal & State Law Editorial TeamLast reviewed: July 2026
January 16, 2008
Summary
This report looks at the background and current status of the Proliferation Security Initiative (PSI), which was formed to increase international cooperation in interdicting shipments of weapons of mass destruction (WMD).
Note: CRS reports are prepared for Members of Congress and their staffs. This summary is provided for informational purposes and does not constitute legal advice.
This is legal information, not legal advice. Laws vary by jurisdiction and change frequently. Always verify current law with official sources and consult a licensed attorney in your jurisdiction for advice on your specific situation.