ARABIAN SEA -- Spanish Special Operations Forces soldiersĀ and Marines from the 13th Marine Expeditionary Unit search USNS Saturn (T-AFS 10) during a mock non-compliant boarding as part of exercise Sea Saber 2004. The 5th Proliferation Security Initiative exercise focused on the interdiction of a maritime shipment of WMD-related equipment and materials on the high seas. Saturn and Spanish SOF are currently forward deployed to the Arabian Sea in support of Operation Iraqi Freedom and Operation Enduring Freedom.