Dr. Ronald M. Berkman, CSU President gives remarks while former Astronaut Steve Lindsey, left, Sen. John Glenn, NASA Administrator Charles Bolden, and NASA Glenn Research Center Director Ray Lugo, seated right, look on at an event celebrating John Glenn's legacy and 50 years of americans in orbit held at the Cleveland State University Wolstein Center on Friday, March 3, 2012 in Cleveland, Ohio. Glenn became the first American to orbit Earth in 1962. Photo Credit: (NASA/Bill Ingalls)
Sen. John Glenn answers questions as NASA Administrator Charles Bolden, left, and NASA Glenn Research Center Ray Lugo look on at a NASA Tweetup event celebrating Glenn's legacy and 50 years of americans in orbit held at the Cleveland State University Wolstein Center on Friday, March 3, 2012 in Cleveland, Ohio. Glenn became the first American to orbit Earth in 1962. Photo Credit: (NASA/Bill Ingalls)
A pre-recorded message from International Space Station, Expedition 30 crew Commander Dan Burbank, on screen left, and Expedition 30 Flight Engineer Don Pettit is shown while former Astronaut Steve Lindsey, seated left, Sen. John Glenn, and NASA Glenn Research Director Ray Lugo look on at an event celebrating John Glenn's legacy and 50 years of americans in orbit held at the Cleveland State University Wolstein Center on Friday, March 3, 2012 in Cleveland, Ohio. Glenn became the first American to orbit Earth in 1962. Photo Credit: (NASA/Bill Ingalls)
Sen. John Glenn answers questions at a NASA Tweetup event celebrating Glenn's legacy and 50 years of americans in orbit held at the Cleveland State University Wolstein Center on Friday, March 3, 2012 in Cleveland, Ohio. Glenn became the first American to orbit Earth in 1962. Photo Credit: (NASA/Bill Ingalls)
Sen. John Glenn waves to a group of media and Twitter users as he takes the stage with NASA Administrator Charles Bolden and NASA Glenn Research Center Director Ray Lugo, right, at a Tweetup event celebrating John Glenn's legacy and 50 years of americans in orbit held at the Cleveland State University Wolstein Center on Friday, March 3, 2012 in Cleveland, Ohio. Glenn became the first American to orbit Earth in 1962. Photo Credit: (NASA/Bill Ingalls)
Sen. John Glenn gives remarks at an event celebrating his legacy and 50 years of americans in orbit held at the Cleveland State University Wolstein Center on Friday, March 3, 2012 in Cleveland, Ohio. Glenn became the first American to orbit Earth in 1962. Photo Credit: (NASA/Bill Ingalls)
Former NASA Astronaut Steve Lindsey gives remarks at an event celebrating John Glenn's legacy and 50 years of americans in orbit held at the Cleveland State University Wolstein Center on Friday, March 3, 2012 in Cleveland, Ohio. In 1998 Lindsey flew onboard the space shuttle Discovery along with then 77 year-old Sen. John Glenn for the STS-95 mission. Glenn became the first American to orbit Earth in 1962. Photo Credit: (NASA/Bill Ingalls)
NASA Glenn Research Center Director Ray Lugo talks at an event celebrating John Glenn's legacy and 50 years of americans in orbit held at the Cleveland State University Wolstein Center on Friday, March 3, 2012 in Cleveland, Ohio. Glenn became the first American to orbit Earth in 1962. Photo Credit: (NASA/Bill Ingalls)
A NASA Tweetup attendee frames a picture of Sen. John Glenn at an event celebrating John Glenn's legacy and 50 years of americans in orbit held at the Cleveland State University Wolstein Center on Friday, March 3, 2012 in Cleveland, Ohio. Glenn became the first American to orbit Earth in 1962. Photo Credit: (NASA/Bill Ingalls)
NASA Administrator Charles Bolden, left, Sen. John Glenn, and NASA Glenn Research Center Director Ray Lugo, right, answer questions at a NASA Tweetup event celebrating John Glenn's legacy and 50 years of americans in orbit held at the Cleveland State University Wolstein Center on Friday, March 3, 2012 in Cleveland, Ohio. Glenn became the first American to orbit Earth in 1962. Photo Credit: (NASA/Bill Ingalls)
Sen. John Glenn gives remarks at an event celebrating his legacy and 50 years of americans in orbit held at the Cleveland State University Wolstein Center on Friday, March 3, 2012 in Cleveland, Ohio. Glenn became the first American to orbit Earth in 1962. Photo Credit: (NASA/Bill Ingalls)
NASA Glenn Research Center Director Ray Lugo, foreground, NASA Administrator Charles Bolden, and Sen. John Glenn, background, stand during the presentation of colors by the 3rd Battalion, 25th Marine Regiment, at the start of an event celebrating John Glenn's legacy and 50 years of americans in orbit held at the Cleveland State University Wolstein Center on Friday, March 3, 2012 in Cleveland, Ohio. Photo Credit: (NASA/Bill Ingalls)
NASA Tweetup attendees listen to Sen. John Glenn at an event celebrating Glenn's legacy and 50 years of americans in orbit held at the Cleveland State University Wolstein Center on Friday, March 3, 2012 in Cleveland, Ohio. Glenn became the first American to orbit Earth in 1962. Photo Credit: (NASA/Bill Ingalls)
A NASA Tweetup attendee captures images of Sen. John Glenn at an event celebrating John Glenn's legacy and 50 years of americans in orbit held at the Cleveland State University Wolstein Center on Friday, March 3, 2012 in Cleveland, Ohio. Glenn became the first American to orbit Earth in 1962. Photo Credit: (NASA/Bill Ingalls)
Wife of former astronaut and Senator John Glenn, Annie Glenn, is recognized during an event celebrating John Glenn's legacy and 50 years of americans in orbit held at the university's Wolstein Center on Friday, March 3, 2012 in Cleveland, Ohio. Glenn became the first American to orbit Earth in 1962. Photo Credit: (NASA/Bill Ingalls)
Sen. John Glenn gives remarks at an event celebrating his legacy and 50 years of americans in orbit held at the Cleveland State University Wolstein Center on Friday, March 3, 2012 in Cleveland, Ohio. Glenn became the first American to orbit Earth in 1962. Photo Credit: (NASA/Bill Ingalls)
Sen. John Glenn gives remarks at an event celebrating his legacy and 50 years of americans in orbit held at the Cleveland State University Wolstein Center on Friday, March 3, 2012 in Cleveland, Ohio. Glenn became the first American to orbit Earth in 1962. Photo Credit: (NASA/Chris Lynch)
Sen. John Glenn listens to a question at a NASA Tweetup event celebrating Glenn's legacy and 50 years of americans in orbit held at the Cleveland State University Wolstein Center on Friday, March 3, 2012 in Cleveland, Ohio. Glenn became the first American to orbit Earth in 1962. Photo Credit: (NASA/Bill Ingalls)
Wife of former astronaut and Senator John Glenn, Annie Glenn, listens intently to Cleveland State University Master of Music Major James Binion Jr. as he sings a musical tribute during an event celebrating John Glenn's legacy and 50 years of americans in orbit held at the university's Wolstein Center on Friday, March 3, 2012 in Cleveland, Ohio. Glenn became the first American to orbit Earth in 1962. Photo Credit: (NASA/Bill Ingalls)
Sen. John Glenn is seen on a monitor as he gives remarks at an event celebrating his legacy and 50 years of americans in orbit held at the Cleveland State University Wolstein Center on Friday, March 3, 2012 in Cleveland, Ohio. Glenn became the first American to orbit Earth in 1962. Photo Credit: (NASA/Bill Ingalls)
Sen. John Glenn listens to a question at a NASA Tweetup event celebrating Glenn's legacy and 50 years of americans in orbit held at the Cleveland State University Wolstein Center on Friday, March 3, 2012 in Cleveland, Ohio. Glenn became the first American to orbit Earth in 1962. Photo Credit: (NASA/Bill Ingalls)
NASA Administrator Charles Bolden gives remarks at an event celebrating John Glenn's legacy and 50 years of americans in orbit held at the Cleveland State University Wolstein Center on Friday, March 3, 2012 in Cleveland, Ohio. Glenn became the first American to orbit Earth in 1962. Photo Credit: (NASA/Bill Ingalls)
Sen. John Glenn, left, shakes hands with former Astronaut Steve Lindsey as NASA Administrator Charles Bolden smiles at an event celebrating John Glenn's legacy and 50 years of americans in orbit held at the Cleveland State University Wolstein Center on Friday, March 3, 2012 in Cleveland, Ohio. In 1998 Lindsey flew onboard the space shuttle Discovery along with then 77 year-old Sen. John Glenn for the STS-95 mission. Glenn became the first American to orbit Earth in 1962. Photo Credit: (NASA/Bill Ingalls)
NASA Glenn Research Center Deupty Director James Free moderates a combined media briefing and NASA Tweetup with NASA Administrator Charles Bolden, seated left, Sen. John Glenn, and NASA Glenn Research Center Director Ray Lugo, seated right, at an event celebrating John Glenn's legacy and 50 years of americans in orbit held at the Cleveland State University Wolstein Center on Friday, March 3, 2012 in Cleveland, Ohio. Glenn became the first American to orbit Earth in 1962. Photo Credit: (NASA/Bill Ingalls)
Sen. John Glenn gives remarks at an event celebrating his legacy and 50 years of americans in orbit held at the Cleveland State University Wolstein Center on Friday, March 3, 2012 in Cleveland, Ohio. Glenn became the first American to orbit Earth in 1962. Photo Credit: (NASA/Bill Ingalls)
NASA Glenn Research Center Director Ray Lugo welcomes guest to an event celebrating John Glenn's legacy and 50 years of americans in orbit held at the Cleveland State University Wolstein Center on Friday, March 3, 2012 in Cleveland, Ohio. Glenn became the first American to orbit Earth in 1962. Photo Credit: (NASA/Bill Ingalls)
Dr. Ronald M. Berkman, CSU President gives remarks at an event celebrating John Glenn's legacy and 50 years of americans in orbit held at the Cleveland State University Wolstein Center on Friday, March 3, 2012 in Cleveland, Ohio. Glenn became the first American to orbit Earth in 1962. Photo Credit: (NASA/Bill Ingalls)
Sen. John Glenn gives remarks at an event celebrating his legacy and 50 years of americans in orbit held at the Cleveland State University Wolstein Center on Friday, March 3, 2012 in Cleveland, Ohio. Glenn became the first American to orbit Earth in 1962. Photo Credit: (NASA/Bill Ingalls)
Cleveland State University Master of Music Major James Binion Jr. sings a musical tribute during an event celebrating John Glenn's legacy and 50 years of americans in orbit held at the university's Wolstein Center on Friday, March 3, 2012 in Cleveland, Ohio. In 1998 Lindsey flew onboard the space shuttle Discovery along with then 77 year-old Sen. John Glenn for the STS-95 mission. Glenn became the first American to orbit Earth in 1962. Photo Credit: (NASA/Bill Ingalls)
A NASA Tweetup attendee frames a picture of Sen. John Glenn at an event celebrating John Glenn's legacy and 50 years of americans in orbit held at the Cleveland State University Wolstein Center on Friday, March 3, 2012 in Cleveland, Ohio. Glenn became the first American to orbit Earth in 1962. Photo Credit: (NASA/Bill Ingalls)
NASA Administrator Charles Bolden, left, Sen. John Glenn, and NASA Glenn Research Center Director Ray Lugo, right, answer questions at a NASA Tweetup event celebrating John Glenn's legacy and 50 years of americans in orbit held at the Cleveland State University Wolstein Center on Friday, March 3, 2012 in Cleveland, Ohio. Glenn became the first American to orbit Earth in 1962. Photo Credit: (NASA/Bill Ingalls)