NASA Administrator Charles Bolden poses in front of the Space Shuttle Trainer Crew Compartment in the Charles Simonyi Space Gallery while on a tour at the Museum of Flight on Tuesday, Jan. 15, 2013 in Seattle, Washington. Photo Credit: (NASA/Carla Cioffi)

NASA Administrator Charles Bolden, left, is seen with former NASA astronaut John Creighton in the Space Shuttle Trainer Crew Compartment in the Charles Simonyi Space Gallery while on a tour at the Museum of Flight on Tuesday, Jan. 15, 2013 in Seattle, Washington. Photo Credit: (NASA/Carla Cioffi)

NASA Administrator Charles Bolden, left, is seen with former NASA astronaut John Creighton in the Space Shuttle Trainer Crew Compartment in the Charles Simonyi Space Gallery while on a tour at the Museum of Flight on Tuesday, Jan. 15, 2013 in Seattle, Washington. Photo Credit: (NASA/Carla Cioffi)

NASA Administrator Charles Bolden, left, is seen with Doug King, president and CEO of the Museum of Flight in Seattle, Washington on Tuesday, Jan. 15, 2013. Bolden toured the Space Shuttle Trainer Crew Compartment in the Charles Simonyi Space Gallery at the museum. Photo Credit: (NASA/Carla Cioffi)

NASA Administrator Charles Bolden, third from left, is seen as he is escorted on a tour of the Space Shuttle Trainer Crew Compartment in the Charles Simonyi Space Gallery at the Museum of Flight, Tuesday, Jan. 15, 2013 in Seattle, Washington. Bolden is joined by Washington Aerospace Scholars Alec Lindsey, far left, Brenna Tuller-Ross and Doug King, far right, president and CEO of the museum. Photo Credit: (NASA/Carla Cioffi)

NASA Administrator Charles Bolden is seen as he peers through the hatch opening of the Space Shuttle Trainer Crew Compartment while on a tour of the Museum of Flight, Tuesday, Jan. 15, 2013 in Seattle, Washington. Photo Credit: (NASA/Carla Cioffi)