CAPE CANAVERAL, Fla. - In the Operations and Checkout Building at NASA's Kennedy Space Center in Florida, some of the participants and invited guests of the Conference on the American Space Program for the 21st Century pose for a group portrait. From left are Neil deGrasse Tyson, director, Hayden Planetarium, American Museum of Natural History; Bill Nye The Science Guy, engineer and television personality; Jim Bell, professor, Department of Astronomy, Cornell University; Scott Hubbard, former director, NASA's Ames Research Center; and Louis Friedman, founder and executive director, The Planetary Society. President Barack Obama opened the Conference on the American Space Program for the 21st Century with remarks on the new course his administration is charting for NASA and the future of U.S. leadership in human spaceflight. Photo credit: NASA_Jim Grossmann

CAPE CANAVERAL, Fla. - In the Astronaut Encounter Theater at the NASA Kennedy Space Center Visitor Complex in Florida, John Holdren, assistant to the President for science and technology and director of the White House Office of Science and Technology Policy, NASA Administrator Charles Bolden and Dr. Steve Squyres, Astronomy Professor at Cornell University took a few moments to talk prior to the wrap up of the Conference on the American Space Program for the 21st Century. Photo Credit: NASA_Jim Grossmann

CAPE CANAVERAL, Fla. - In the Vanguard room of the Debus Center at NASA Kennedy Space Center Visitor Complex in Florida, Norman R. Augustine (left), chair of the Review of U.S. Human Space Flight Plans Committee and panel moderator heads up the third break-out session, 'Jumpstarting the New Technologies to Take Us Beyond,' that is part of the Conference on the American Space Program for the 21st Century. The distinguished panel for this session is: Doug Cooke Associate Administrator Exploration Systems for NASA; Robert Braun, NASA Chief Technologist and Ed Lu, Advanced Projects Program Manager for Google. Photo Credit: NASA_Jim Grossmann

CAPE CANAVERAL, Fla. - In the Atlas_Redstone Room of the Debus Center at NASA's Kennedy Space Center Visitor Complex in Florida, Dr. Edward F. Crawley, Ford professor of engineering at MIT, speaks to the attendees at the 'Expanding our Reach into the Solar System' break-out session, part of the Conference on the American Space Program for the 21st Century. The panel included Scott Hubbard, former director of NASA's Ames Research Center, John Holdren, assistant to the President for science and technology and director of the White House Office of Science and Technology Policy and NASA, panel moderator; NASA Astronaut John Grunsfeld and Scott Hubbard, former director of NASA's Ames Research Center. Photo credit: NASA_Jim Grossmann.

CAPE CANAVERAL, Fla. - In the Operations and Checkout Building at NASA's Kennedy Space Center in Florida, Bill Nye The Science Guy, engineer and television personality, is interviewed by the media during the Conference on the American Space Program for the 21st Century. President Barack Obama opened the Conference on the American Space Program for the 21st Century with remarks on the new course his administration is charting for NASA and the future of U.S. leadership in human spaceflight. Photo credit: NASA_Jim Grossmann

CAPE CANAVERAL, Fla. - In the mission briefing room of the Operations and Checkout Building at NASA's Kennedy Space Center in Florida, NASA Astronaut Mike Foale (left); Tom Pickens, President and Chief Executive Officer of Astrotech Space Operations; Bretton Alexander, President of the Commercial Spaceflight Federation and Miles O'Brien, a member of the NASA Advisory Council and panel moderator (out of frame) participate in the second break-out session, 'Increasing Access To and Utilization of the International Space Station,' that is part of the Conference on the American Space Program for the 21st Century. Photo Credit: NASA_Jim Grossmann

CAPE CANAVERAL, Fla. - In the Atlas_Redstone Room of the Debus Center at NASA's Kennedy Space Center Visitor Complex in Florida, Scott Hubbard, former director of NASA's Ames Research Center, addresses the participants at the 'Expanding our Reach into the Solar System' break-out session, part of the Conference on the American Space Program for the 21st Century. The panel, moderated by John Holdren, assistant to the President for science and technology and director of the White House Office of Science and Technology Policy (right), included Hubbard, Dr. Edward F. Crawley, Ford professor of engineering at MIT and NASA Astronaut John Grunsfeld. Photo credit: NASA_Jim Grossmann

CAPE CANAVERAL, Fla. - In the Juno_Jupiter room of the Debus Center at NASA Kennedy Space Center Visitor Complex in Florida, Lori Garver, NASA Deputy Administrator (left) heads up the fourth break-out session 'Harnessing Space to Expand Economic Opportunity,' that is part of the Conference on the American Space Program for the 21st Century. The distinguished panel for this session is: Mae Jamison, Founder and President of The Jamison Group Inc.; Greg Junemann, President of the International Federation of Professional and Technical Engineers, AFL-CIO and CLC and Dale Ketcham, Director of the Spaceport Research and Technology Institute at the University of Central Florida. Photo Credit: NASA_Jim Grossmann

CAPE CANAVERAL, Fla. - In the mission briefing room of the Operations and Checkout Building at NASA's Kennedy Space Center in Florida, Tom Pickens, President and Chief Executive Officer of Astrotech Space Operations (center), Bretton Alexander, President of the Commercial Spaceflight Federation (right); Miles O'Brien, a member of the NASA Advisory Council and panel moderator and NASA Astronaut Mike Foale (both out of frame) participate in the second break-out session, 'Increasing Access To and Utilization of the International Space Station,' that is part of the Conference on the American Space Program for the 21st Century. Photo Credit: NASA_Jim Grossmann

CAPE CANAVERAL, Fla. - Prior to the wrap up of the Conference on the American Space Program for the 21st Century held in the Astronaut Encounter Theater at the NASA Kennedy Space Center Visitor Complex in Florida, John Holdren, assistant to the President for science and technology and director of the White House Office of Science and Technology Policy and Norman R. Augustine, chair of the Review of U.S. Human Space Flight Plans Committee, took a few moments to discuss the event. Photo Credit: NASA_Jim Grossmann

CAPE CANAVERAL, Fla. - In the Vanguard room of the Debus Center at NASA Kennedy Space Center Visitor Complex in Florida, a participant asks a question of the panel during the 'Jumpstarting the New Technologies to Take Us Beyond,' break-out session that is part of the Conference on the American Space Program for the 21st Century. The distinguished panel for this session is: Norman R. Augustine, chair of the Review of U.S. Human Space Flight Plans Committee and panel moderator; Doug Cooke Associate Administrator Exploration Systems for NASA; Robert Braun, NASA Chief Technologist and Ed Lu, Advanced Projects Program Manager for Google. Photo Credit: NASA_Jim Grossmann

CAPE CANAVERAL, Fla. - In the Astronaut Encounter Theater at the NASA Kennedy Space Center Visitor Complex in Florida, the Conference on the American Space Program for the 21st Century wrapped up with a lively panel discussion. Pictured is, left to right, John Holdren, assistant to the President for science and technology and director of the White House Office of Science and Technology Policy; Lori Garver, NASA Deputy Administrator; Norman R. Augustine, chair of the Review of U.S. Human Space Flight Plans Committee; Miles O'Brien, a member of the NASA Advisory Council and NASA Administrator Charles Bolden. Photo Credit: NASA_Jim Grossmann

CAPE CANAVERAL, Fla. - In the mission briefing room of the Operations and Checkout Building at NASA's Kennedy Space Center in Florida, Miles O'Brien, a member of the NASA Advisory Council and panel moderator, heads up the second break-out session, 'Increasing Access To and Utilization of the International Space Station,' that is part of the Conference on the American Space Program for the 21st Century. The distinguished panel for this session includes Bretton Alexander, President of the Commercial Spaceflight Federation; NASA Astronaut Mike Foale and Tom Pickens, President and Chief Executive Officer of Astrotech Space Operations. Photo Credit: NASA_Jim Grossmann

CAPE CANAVERAL, Fla. - In the mission briefing room of the Operations and Checkout Building at NASA's Kennedy Space Center in Florida, NASA Astronaut Mike Foale is a panel member of the second break-out session, 'Increasing Access To and Utilization of the International Space Station,' that is part of the Conference on the American Space Program for the 21st Century. Panel members also include Tom Pickens, President and Chief Executive Officer of Astrotech Space Operations (partially out of frame); Bretton Alexander, President of the Commercial Spaceflight Federation and Miles O'Brien, a member of the NASA Advisory Council and panel moderator. Photo Credit: NASA_Jim Grossmann

CAPE CANAVERAL, Fla. - In the Astronaut Encounter Theater at the NASA Kennedy Space Center Visitor Complex in Florida, Miles O'Brien, a member of the NASA Advisory Council is one of the panel members that participated in the wrap up of the Conference on the American Space Program for the 21st Century. Photo Credit: NASA_Jim Grossmann

CAPE CANAVERAL, Fla. - In the Operations and Checkout Building at NASA's Kennedy Space Center in Florida, media representatives are on hand to cover the opening remarks of the Conference on the American Space Program for the 21st Century delivered by President Barack Obama. In his remarks, President Obama outlined the new course his administration is charting for NASA and the future of U.S. leadership in human spaceflight. Photo credit: NASA_Jim Grossmann

CAPE CANAVERAL, Fla. - In the mission briefing room of the Operations and Checkout Building at NASA's Kennedy Space Center in Florida, Bretton Alexander, President of the Commercial Spaceflight Federation is enjoying his participation in the second break-out session, 'Increasing Access To and Utilization of the International Space Station,' that is part of the Conference on the American Space Program for the 21st Century. Panel members also include NASA Astronaut Mike Foale; Miles O'Brien, a member of the NASA Advisory Council and panel moderator and Tom Pickens, President and Chief Executive Officer of Astrotech Space Operations. Photo Credit: NASA_Jim Grossmann

CAPE CANAVERAL, Fla. - In the Operations and Checkout Building at NASA's Kennedy Space Center in Florida, Florida Sen. Thad Altman participates in the Conference on the American Space Program for the 21st Century. President Barack Obama opened the Conference on the American Space Program for the 21st Century with remarks on the new course his administration is charting for NASA and the future of U.S. leadership in human spaceflight. Photo credit: NASA_Jim Grossmann

CAPE CANAVERAL, Fla. - In the Atlas_Redstone Room of the Debus Center at NASA's Kennedy Space Center Visitor Complex in Florida, Dr. Edward F. Crawley, Ford professor of engineering at MIT gives his presentation at the 'Expanding our Reach into the Solar System' break-out session, part of the Conference on the American Space Program for the 21st Century. The panel, moderated by John Holdren, assistant to the President for science and technology and director of the White House Office of Science and Technology Policy (center), included Crawley, Scott Hubbard, former director of NASA's Ames Research Center (right) and NASA Astronaut John Grunsfeld. Photo credit: NASA_Jim Grossmann

CAPE CANAVERAL, Fla. - In the Operations and Checkout Building at NASA's Kennedy Space Center in Florida, Louis Friedman, founder and executive director, The Planetary Society, at left, and Bill Nye The Science Guy, engineer and television personality, are interviewed by the media during the Conference on the American Space Program for the 21st Century. President Barack Obama opened the Conference on the American Space Program for the 21st Century with remarks on the new course his administration is charting for NASA and the future of U.S. leadership in human spaceflight. Photo credit: NASA_Jim Grossmann

CAPE CANAVERAL, Fla. - In the mission briefing room of the Operations and Checkout Building at NASA's Kennedy Space Center in Florida, Miles O'Brien, a member of the NASA Advisory Council (left), moderates the panel at the second break-out session, 'Increasing Access To and Utilization of the International Space Station,' that is part of the Conference on the American Space Program for the 21st Century. To O'Brien's left on the panel are NASA Astronaut Mike Foale; Tom Pickens, President and Chief Executive Officer of Astrotech Space Operations and Bretton Alexander, President of the Commercial Spaceflight Federation. Photo Credit: NASA_Jim Grossmann

CAPE CANAVERAL, Fla. - In the Astronaut Encounter Theater at the NASA Kennedy Space Center Visitor Complex in Florida, Lori Garver, NASA Deputy Administrator, speaks with a member of the audience after the conclusion of the Conference on the American Space Program for the 21st Century. Photo Credit: NASA_Jim Grossmann

CAPE CANAVERAL, Fla. - In the Operations and Checkout Building at NASA's Kennedy Space Center in Florida, Dr. Woodrow Whitlow Jr., associate administrator for Mission Support, NASA Headquarters, participates in the Conference on the American Space Program for the 21st Century. President Barack Obama opened the Conference on the American Space Program for the 21st Century with remarks on the new course his administration is charting for NASA and the future of U.S. leadership in human spaceflight. Photo credit: NASA_Jim Grossmann

CAPE CANAVERAL, Fla. - Wrap up of the Conference on the American Space Program for the 21st Century took place in the Astronaut Encounter Theater at the NASA Kennedy Space Center Visitor Complex. Before the panel began their remarks, Apollo astronaut Buzz Aldrin (center), Louis Friedman, Founder and Executive director of The Planetary Society (left) and Jim Bell, professor, Department of Astronomy at Cornell University, took a few moments to discuss the event. Photo Credit: NASA_Jim Grossmann

CAPE CANAVERAL, Fla. - In the Atlas_Redstone Room of the Debus Center at NASA's Kennedy Space Center Visitor Complex in Florida, Dr. Edward F. Crawley, Ford professor of engineering at MIT, speaks to the audience at the 'Expanding our Reach into the Solar System' break-out session, part of the Conference on the American Space Program for the 21st Century. The panel includes Scott Hubbard, former director of NASA's Ames Research Center (back to camera); John Holdren, assistant to the President for science and technology and director of the White House Office of Science and Technology Policy, panel moderator, and NASA Astronaut John Grunsfeld (obscured). Photo credit: NASA_Jim Grossmann

CAPE CANAVERAL, Fla. - In the Juno_Jupiter room of the Debus Center at NASA Kennedy Space Center Visitor Complex in Florida, Lori Garver, NASA Deputy Administrator (partially obscured left) heads up the fourth break-out session, 'Harnessing Space to Expand Economic Opportunity,' that is part of the Conference on the American Space Program for the 21st Century. The distinguished panel for this session is: Mae Jamison, Founder and President of The Jamison Group Inc.; Greg Junemann, President of the International Federation of Professional and Technical Engineers, AFL-CIO and CLC (not in frame) and Dale Ketcham, Director of the Spaceport Research and Technology Institute at the University of Central Florida. Photo Credit: NASA_Jim Grossmann

CAPE CANAVERAL, Fla. - In the Astronaut Encounter Theater at the NASA Kennedy Space Center Visitor Complex in Florida, a distinguished panel gathered to wrap up the Conference on the American Space Program for the 21st Century. The panel included John Holdren, assistant to the President for science and technology and director of the White House Office of Science and Technology Policy (left); Lori Garver, NASA Deputy Administrator; Norman R. Augustine, chair of the Review of U.S. Human Space Flight Plans Committee, and Miles O'Brien, a member of the NASA Advisory Council. Photo Credit: NASA_Jim Grossmann

CAPE CANAVERAL, Fla. - In the Juno_Jupiter room of the Debus Center at NASA Kennedy Space Center Visitor Complex in Florida, Lori Garver, NASA Deputy Administrator (left) and panel moderator and Mae Jamison, Founder and President of The Jamison Group Inc. listen intently as Dale Ketcham, Director of the Spaceport Research and Technology Institute at the University of Central Florida speaks at the 'Harnessing Space to Expand Economic Opportunity,' break-out session that is part of the Conference on the American Space Program for the 21st Century. Photo Credit: NASA_Jim Grossmann