Robert L. Behnken Status: Active 7/28/1970 – Nationality: American Type: Government First Flight: 3/11/2008 Last Flight: 5/30/2020 Robert Louis “Bob” Behnken is a United States Air Force officer, NASA astronaut and former Chief of the Astronaut Office. Behnken holds a Ph.D in Mechanical Engineering and holds the rank of Colonel in the U.S. Air Force. Col. Behnken has logged over 1,000 flight hours in 25 different aircraft. He flew aboard Space Shuttle missions STS-123 and STS-130 as a Mission Specialist, accumulating over 378 hours in space, including 19 hours of spacewalk time. Behnken was also assigned as Mission Specialist 1 to the STS-400 rescue mission. He is married to fellow astronaut K. Megan McArthur. National Aeronautics and Space Administration – USA 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.