Space Station Exploration Station is a testbed for solar system xploration The Martian Surface The mars transhab Sojourner Rover Exploration Technology The First Steps A Whole The first station element launched on 20 Novembe·1998 In Human Space Flight First Station rikalev, Flight First crew o Second crew 4/002 HEDS ENTERPRISE OFFICE OF LIFE AND MICROGRAVITY SCIENCES AND APPLICATIONS [OLMSA] Space Station & Exploration Station is a testbed for solar system exploration The Mars Transhab The Martian Surface Sojourner Rover Exploration Technology HEDS ENTERPRISE OFFICE OF LIFE AND MICROGRAVITY SCIENCES AND APPLICATIONS The First Steps [OLMSA] The first Station element launched on 20 November 1998 William (Bill) Shepherd, Commander Yuri Pavlovich Gidzenko, Soyuz Commander Sergei K. Krikalev, Flight Engineer First Station ingress, 10 Dec. 1998 First Station ingress, 10 Dec. 1998 Yuri Usachev; Expedition Commander Susan J. Helm s James S. Voss