Special Guests Astronaut Michael E. Lopez Alegria 2013 Astronaut Jean-Francois Clervoy July 4-10, 2012, 2012 Astronaut Anna Lee Fisher April 20-26, 2012 STS 135 Crew September 5, 2011 Cosmonaut Dumitru Dorin Prunariu July 6-12, 2011 Astronaut Richard N. Richards April 25, 2011 Astronaut Charles Walker July 8-13, 2010 Jon B.McBride July 2-8, 2009 Jay Clark Buckey, Jr. M.D, Payload Specialist July 4-14, 2008 Cosmonaut Yuri Michailovich Baturin July 4-10, 2007 Astronaut Roger Keith Crouch July 18-24, 2007 Astronaut Steve W. Lindsey October 08-12, 2006 Astronaut Shannon Lucid July 17-23, 2006 Cosmonaut Dumitru Dorin Prunariu July 04-09, 2006 Astronaut Andrew Gaffney July 10-16, 2005 Prof.Dr. Arsev Eraslan July 03-09, 2005