SAVANNAH, Ga. (Mar. 15, 2007)--A soldier from the National Guard's 4th Civil Support Team (WMD) signals that he has safely arrived aboard the Coast Guard Cutter Elm after being lowered from an HH-65 dolphin helicopter March 15, 2007. Marine Safety Unit Savannah and the Georgia National Guard's 4th Civil Support Team (WMD) teamed up to test their ability to respond to radioactive material detected aboard a vessel attempting to enter the port of Savannah. Coast Guard photograph by PA2 Bobby Nash.