The Coast Guard will host a multi-agency, Homeland Security field exercise entitled "Port Rio Grande," focusing on the consequence management of a Weapon of Mass Destruction (WMD) on Monday at 8 a.m. on Coast Guard Island. The exercise will conclude at approximately 2 p.m. The exercise will test the interoperability of procedures and equipment in response to a WMD onboard a Coast Guard Cutter. Participants will focus on setting up a shore-side command post, physically securing Coast Guard Island from further infiltration, proper medical procedures for a mass casualty incident and the possible introduction of chemical and biological weapons.