In the story, it is developed by the Manhattan Project in order for the Marines to no longer need to deal with mud, but abandoned when it becomes clear that any quantity of it would have the power to destroy all life on earth.
It is developed by the Manhattan Project in order for the Marines. This was in the story. This was to no longer need to deal with mud. It abandoned. This was in the story. Any quantity of it would have the power to destroy all life on earth. This becomes clear.