Aqua-Chem, Inc., Knoxville, Tenn., is being awarded a $12,829,398 indefinite-delivery/indefinite-quantity, firm-fixed-price contract for 6,800 gallon-per-day Reverse Osmosis Desalination (ROD) units and 2,000 gallon-per-day High Purity Reverse Osmosis (HPRO) units for installation in FFG-7 and LSD Class ships. The ROD Unit will be used to produce drinking water from seawater, and HPRO Unit will be used to produce high purity water from drinking water, for cooling the ship's gas turbine engines. Work will be performed in Knoxville, Tenn, and is expected to be completed by July 2012. Contract funds will not expire by the end of the current fiscal year.This contract was competitively procured and advertised via the Internet, with six offers received.