Journey to Mars space for them. A Martian revolution disrupts his plans, however; he writes no account of his adventures prior to an attempt to return to the red planet. Gustavus W. Pope (1828–1902) was a physician based in Washington DC, who wrote several books on a range of subjects (including one on Shakespeare's supposed Roman Catholicism). Pope followed his "Journey to Mars" with "Journey to Venus the Primeval World; Its Wondrous Creations and Gigantic Monsters" (1895), in which Hamilton and Suhlamia visit that planet. "Journey to Mars" has been reprinted in two modern editions, from Hyperion Press in 1974 and from Wildside
Human mission to Mars intermediate steps before the landing on Mars, including human missions to Phobos; and the "Great Exploration" proposal from Lawrence Livermore National Laboratory, among others. In response to a presidential initiative, NASA made a study of a project for human lunar- and Mars exploration as a proposed follow-on to the International Space Station project. This resulted in a report, called the "90-day study", in which the agency proposed a long-term plan consisting of completing the Space Station as "a critical next step in all our space endeavors," returning to the Moon and establishing a permanent base, and then sending astronauts to