Tracy Caldwell Dyson is an American chemist and NASA astronaut. Caldwell Dyson was a Mission Specialist on Space Shuttle Endeavour flight STS-118 in August 2007. She was part of the Expedition 24 crew on the International Space Station between April 4, 2010 and September 25, 2010. She has completed three spacewalks, logging more than 22 hrs of EVA including work to replace a malfunctioning coolant pump.
Soyuz TMA-18 begins Expedition 23 by carrying 3 astronauts and cosmonauts to the International Space Station. Russian Commander, cosmonaut Aleksandr Skvortsov alongside Flight Engineers,Mikhail Korniyenko (RSA) & Tracy Caldwell Dyson (NASA) will launch aboard the Soyuz spacecraft from the Baikonur Cosmodrome in Kazakhstan and then rendezvous with the station. It landed on 25 September 2010, 05:23 UTCLow 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.