NASA 2009 Astronaut Candidate and Flight Surgeon Serena Auñón talks as NASA Administrator Charles Bolden looks on during a NASA Future Forum panel discussion at The Ohio State University on Monday, Feb. 20, 2012, in Columbus, Ohio. Monday marked the 50th anniversary of Glenn's historic flight as the first American to orbit Earth. Photo Credit: (NASA/Bill Ingalls)

As part of the National Day of Service people visit the NASA booth set up on the National Mall, Saturday, January 19, 2013, in Washington. Astronaut Serena Auñon, left, is seen talking to a member of the public. NASA along with other federal agencies set up along the Mall as part of events surrounding the inauguration of President Barack Obama. Photo Credit: (NASA/Carla Cioffi)

The Ohio State University Vice President for Research Dr. Caroline Whitacre, standing right, moderates the first panel discussion during NASA's Future Forum with NASA Associate Administrator for Science Mission Directorate John Grunsfeld, left, Ohio State University Graduate Research Associate Vijay Gadepally, Sen. John Glenn, NASA Administrator Charles Bolden, and NASA 2009 Astronaut Candidate and Flight Surgeon Serena Auñón, seated right, at The Ohio State University on Monday, Feb. 20, 2012, in Columbus, Ohio. Monday marked the 50th anniversary of Glenn's historic flight as the first American to orbit Earth. Photo Credit: (NASA/Bill Ingalls)