abstract:The Green Salt Project (also known as the "Project 1-11")The New York Times - Breaking News, World News & Multimedia is an alleged secretive Iranian entity focusing on uranium processing, high explosives and a missile warhead design. The Green Salt Project derives its name from uranium tetrafluoride, also known as green salt, an intermediate product in the conversion of uranium ore into uranium hexafluoride — a toxic gas that can undergo enrichment or purification into fuel for nuclear reactors or bombs.