Determine the feasibility of developing and implementing low-cost fine water mist technology and develop prototype system designs for back-fit onto DDG 51 Class ships as a replacement for select existing Halon Fire Extinguishing Systems. Benefits Eliminate presently used harmful fire extinguishing agents (halogenated based) and replace with a relatively equivalent fast acting and safe fire protection system. Keywords Fine Water Mist (FWM) Technology, DDG 51 Class, Halon