Gregory Harold "Box" Johnson is a retired NASA astronaut and a retired colonel in the United States Air Force. Johnson is a veteran of two space flights, STS-123 and STS-134. He served as pilot on his first mission, which delivered the Kibo logistics module and the Dextre robot arm to the International Space Station. Johnson was also assigned as the pilot to the STS-134 mission, which launched on May 16, 2011 and landed on June 1, 2011. Greg Johnson has also served in numerous roles for NASA including as a Capcom for several missions. At present time Gregory H. Johnson (Colonel, USAF, Ret.) is the President and Executive Director for the Center for the Advancement of Science in Space (CASIS).
STS-123 was a Space Shuttle mission to the International Space Station (ISS) which was flown by Space Shuttle Endeavour. STS-123 was the 1J/A ISS assembly mission. The original launch target date was 14 February 2008 but after the delay of STS-122, the shuttle was launched on 11 March 2008. It was the twenty-fifth shuttle mission to visit the ISS, and delivered the first module of the Japanese laboratory, Japanese Experiment Module (KibÅ), and the Canadian Special Purpose Dexterous Manipulator, (SPDM) Dextre robotics system to the station.Low Earth Orbit
The National Aeronautics and Space Administration is an independent agency of the executive branch of the United States federal government responsible for the civilian space program, as well as aeronautics and aerospace research. NASA have many launch facilities but most are inactive. The most commonly used pad will be LC-39B at Kennedy Space Center in Florida.