NASA Administrator, Michael Griffin talks with other NASA managers in the Launch Control Center prior to the launch of the Space Shuttle Discovery (STS-124) Saturday, May 31, 2008, at the Kennedy Space Center in Cape Canaveral, Fla. The Shuttle lifted off from launch pad 39A at 5:02 p.m. EDT. Photo Credit: (NASA/Bill Ingalls)

The Moon is seen rising behind the Space Shuttle Endeavour (STS-126) on pad 39a Friday, November 14, 2008, at the Kennedy Space Center in Cape Canaveral, Fla. The Shuttle lifted off from launch pad 39A at 7:55 p.m. EST. Photo Credit: (NASA/Bill Ingalls)

A NASA helicopter escorting the STS-124 crew in their Astronvan to launch pad 39A flies in front of the Vehicle Assembly Building Saturday, May 31, 2008, at the Kennedy Space Center in Cape Canaveral, Fla. Photo Credit: (NASA/Bill Ingalls)

Space Program Manager Wayne Hale, Associate Administrator for Space Operations Bill Gerstenmaier and NASA Administrator Michael Griffin monitor the weather and shuttle systems prior to the launch of the Space Shuttle Atlantis (STS-122) from the Launch Control Center Thursday, Feb. 7, 2008, at the Kennedy Space Center in Cape Canaveral, Fla. The Shuttle lifted off from launch pad 39A at 2:45p.m. EST. Photo Credit: (NASA/Bill Ingalls)

A nearly full Moon sets as the space shuttle Discovery sits atop Launch pad 39A at the Kennedy Space Center in Cape Canaveral, Florida, Wednesday, March 11, 2009. Photo Credit: (NASA/Bill Ingalls)

STS-122 Mission Specialist Leland Melvin, right, talks with members of the space shuttle close out crew underneath the wing of the space shuttle Atlantis. Atlantis landed at the Shuttle Landing Facility, 9:07a.m., Wednesday, Feb. 20, 2008 at Kennedy Space Center, Fla. completing delivery of the European Space Agency’s (ESA) Columbus laboratory to the International Space Station. Photo Credit: (NASA/Bill Ingalls)

The space shuttle Atlantis (STS-122) is serviced by support vehicles and crew at the Shuttle Landing Facility after the safe landing at 9:07a.m., Wednesday, Feb. 20, 2008 at Kennedy Space Center, Fla. Atlantis and the crew of STS-122 completed delivery of the European Space Agency’s (ESA) Columbus laboratory to the International Space Station. Photo Credit: (NASA/Bill Ingalls)

Launch Director for the space shuttle Atlantis, Doug Lyons monitors the weather and shuttle systems prior to the launch of the Space Shuttle Atlantis (STS-122) from the Launch Control Center Thursday, Feb. 7, 2008, at the Kennedy Space Center in Cape Canaveral, Fla. The Shuttle lifted off from launch pad 39A at 2:45p.m. EST. Photo Credit: (NASA/Bill Ingalls)

The space shuttle Atlantis (STS-122) lands at the Shuttle Landing Facility, 9:07a.m., Wednesday, Feb. 20, 2008 at Kennedy Space Center, Fla. completing delivery of the European Space Agency’s (ESA) Columbus laboratory to the International Space Station. Photo Credit: (NASA/Bill Ingalls)

STS-122 Mission Commander Steve Frick, right, and Pilot Alan Poindexter use a pair of binoculars to inspect the outside of the space shuttle Atlantis. Atlantis landed at the Shuttle Landing Facility, 9:07a.m., Wednesday, Feb. 20, 2008 at Kennedy Space Center, Fla. completing delivery of the European Space Agency’s (ESA) Columbus laboratory to the International Space Station. Photo Credit: (NASA/Bill Ingalls)

NASA Administrator, Michael Griffin and other management watch the launch of the Space Shuttle Atlantis (STS-122) from the Launch Control Center Thursday, Feb. 7, 2008, at the Kennedy Space Center in Cape Canaveral, Fla. The Shuttle lifted off from launch pad 39A at 2:45p.m. EST. Photo Credit: (NASA/Bill Ingalls)

STS-122 Mission Specialist, Rex Walheim, left, and Shuttle Launch Director, Michael D. Leinbach take a moment to watch the close out crew work on the space shuttle Atlantis. Atlantis landed at the Shuttle Landing Facility, 9:07a.m., Wednesday, Feb. 20, 2008 at Kennedy Space Center, Fla. completing delivery of the European Space Agency’s (ESA) Columbus laboratory to the International Space Station. Photo Credit: (NASA/Bill Ingalls)

NASA Administrator, Michael Griffin watches the launch of the Space Shuttle Endeavour (STS-126) from the Launch Control Center Friday, November 14, 2008, at the Kennedy Space Center in Cape Canaveral, Fla. The Shuttle lifted off from launch pad 39A at 7:55 p.m. EST. Photo Credit: (NASA/Bill Ingalls)

NASA Administrator, Michael Griffin watches the launch of the Space Shuttle Atlantis (STS-122) from the Launch Control Center Thursday, Feb. 7, 2008, at the Kennedy Space Center in Cape Canaveral, Fla. The Shuttle lifted off from launch pad 39A at 2:45p.m. EST. Photo Credit: (NASA/Bill Ingalls)

The launch of the Space Shuttle Atlantis (STS-122) as seen through the louvered windows of the Launch Control Center Thursday, Feb. 7, 2008, at the Kennedy Space Center in Cape Canaveral, Fla. The Shuttle lifted off from launch pad 39A at 2:45p.m. EST. Photo Credit: (NASA/Bill Ingalls)

A nearly full Moon sets as the space shuttle Discovery sits atop Launch pad 39A at the Kennedy Space Center in Cape Canaveral, Florida, Wednesday, March 11, 2009. Photo Credit: (NASA/Bill Ingalls)

NASA Administrator, Michael Griffin watches the launch of the Space Shuttle Discovery (STS-124) from the Launch Control Center Saturday, May 31, 2008, at the Kennedy Space Center in Cape Canaveral, Fla. The Shuttle lifted off from launch pad 39A at 5:02 p.m. EDT. Photo Credit: (NASA/Bill Ingalls)

NASA Shuttle Launch Director Michael Leinbach, left, STS-124 Assistant Launch Director Ed Mango, center, and Flow Director for Space Shuttle Discovery Stephanie Stilson clap in the the Launch Control Center after the main engine cut off and successful launch of the Space Shuttle Discovery (STS-124) Saturday, May 31, 2008, at the Kennedy Space Center in Cape Canaveral, Fla. The Shuttle lifted off from launch pad 39A at 5:02 p.m. EDT. Photo Credit: (NASA/Bill Ingalls)

NASA Shuttle Launch Director Michael Leinbach, left, STS-124 Assistant Launch Director Ed Mango, center, and Flow Director for Space Shuttle Discovery Stephanie Stilson clap in the the Launch Control Center after the main engine cut off and successful launch of the Space Shuttle Discovery (STS-124) Saturday, May 31, 2008, at the Kennedy Space Center in Cape Canaveral, Fla. The Shuttle lifted off from launch pad 39A at 5:02 p.m. EDT. Photo Credit: (NASA/Bill Ingalls)

NASA Manager for Launch Integration, Leroy Cain, left, and NASA Associate Administrator for Space Operations, William H. Gerstenmaier watch as the The space shuttle Atlantis (STS-122) lands at the Shuttle Landing Facility, 9:07a.m., Wednesday, Feb. 20, 2008 at Kennedy Space Center, Fla. completing delivery of the European Space Agency’s (ESA) Columbus laboratory to the International Space Station. Photo Credit: (NASA/Bill Ingalls)

NASA Administrator, Michael Griffin watches the launch of the Space Shuttle Discovery (STS-124) from the Launch Control Center Saturday, May 31, 2008, at the Kennedy Space Center in Cape Canaveral, Fla. The Shuttle lifted off from launch pad 39A at 5:02 p.m. EDT. Photo Credit: (NASA/Bill Ingalls)

The Moon is seen rising behind the Space Shuttle Endeavour (STS-126) on pad 39a Friday, November 14, 2008, at the Kennedy Space Center in Cape Canaveral, Fla. The Shuttle lifted off from launch pad 39A at 7:55 p.m. EST. Photo Credit: (NASA/Bill Ingalls)