PORTSMOUTH, Va. - Chief Warrant Officer 2 Mario Vittone provides instruction on cold water survival techniques and the proper use of survival equipment to participates of the 14th annual Towing Vessel Safety Seminar at Coast Guard Sector Hampton Roads, Nov. 8, 2012.The seminar brought over 140 professional mariners from the Hampton Roads community together for education on the Coast Guard's safety requirements in the Hampton Roads area. U.S. Coast Guard photo by Lt. Scott Williams