New U.S. Navy Process makes sea water drinkable. A U.S. Navy pharmacist's mate, demonstrating in experimental tank the Navy's new process for ***** sea water drinkable, squeezes the upper portion plastic processing bag containing a filter ***** disperse a special chemical through the sea water the bag, thus removing the chlorides, or salt, water. The method of purifying sea water was developed at the U.S. Naval Medical Research *****. September 11, 1943. (Photo by U.S. Office of War Information