Rings of Saturn

This Novelette I will classify as Science Fiction with subcategories within the following genres; Philosophy, Adventure, Space Exploration, Ecology, Supernatural fiction or Fantasy. The Story takes place about 20 years in the future and continues for another 25 to 30 years beyond that. A world on the brink disaster was pouring billions into preparation for a war that never happened. The United States, however secretly funneled the money into preparation for a voyage into deep space for the purpose of exploring the planet Saturn. The 20 astronauts returned to an unrecognizable earth, a different planet entirely from the one they had left. A very strange man enters near the end of the tale to provide a surprise ending.