NASA - National Aeronautics and Space Administration

In the 16th night landing at NASA's Kennedy Space Center in Florida, space shuttle Endeavour approaches Runway 15, ending mission STS-123 after a 16-day flight to the International Space Station. Photo credit: NASA/Kim Shiflett

The space shuttle Endeavour prepares to land, ending the STS-123 mission. The main landing gear touched down at 8:39:08 p.m. EDT at Kennedy Space Center's Shuttle Landing Facility. Photo credit: NASA/Tom Joseph

As night falls on NASA's Kennedy Space Center in Florida, space shuttle Endeavour is moments away from touchdown on Runway 15 at the Shuttle Landing Facility. Photo courtesy of Gary Rothstein

In darkness, space shuttle Endeavour's main gear touches down on Runway 15 at Kennedy Space Center's Shuttle Landing Facility, ending a 16-day flight to the International Space Station. Photo credit: NASA/Mike Kerley

With xenon lights flooding Runway 15, a drag chute slows space shuttle Endeavour as it returns to NASA's Kennedy Space Center. Photo credit: NASA/Tony Gray, Kevin O'Connell, Scott Haun

Next to space shuttle Endeavour, a crew hatch access vehicle is positioned so that a physician can perform brief preliminary medical examinations of the crew members. Photo credit: NASA/Kim Shiflett

STS-123 Commander Dominic Gorie, in front, and Mission Specialist Mike Foreman exit the crew transport vehicle at NASA Kennedy Space Center's Shuttle Landing Facility. Photo credit: NASA/Kim Shiflett

The STS-123 astronauts pose for a portrait under space shuttle Endeavour at NASA Kennedy Space Center's Shuttle Landing Facility. From left are Mission Specialists Takao Doi of the Japan Aerospace Exploration Agency, Robert L. Behnken, and Rick Linnehan; Pilot Gregory H. Johnson; Commander Dominic Gorie; and Mission Specialist Mike Foreman. Photo credit: NASA/Kim Shiflett