Frank Culbertson is senior vice president for Science Applications International Corporation (SAIC), Houston, Texas. In this capacity, Mr. Culbertson is the program manager for the National Aeronautics and Space Administration (NASA) Johnson Space Center Safety, Reliability, and Quality Assurance contract and the acting manager of the SAIC Houston Assurance Engineering Operation. Prior to his position at SAIC, Mr. Culbertson was a NASA Astronaut. He has flown three space missions and logged over 144 days in space. His last mission was aboard the Shuttle Discovery, which lasted for 129 days from August 12 until December 17, 2001. During that mission, he lived and worked aboard the International Space Station for 125 days and was in command of the Station for 117 days. Mr. Culbertson also held several key management positions within the NASA Shuttle program. Mr. Culbertson is a graduate of the Naval Academy at Annapolis. He was a naval aviator and a test pilot, and he retired from the Navy as a Captain in 1984. Mr. Culbertson has received numerous honors, including the Legion of Merit, the Navy Flying Cross, the Defense Superior Service Medal, and the NASA Distinguished Service Medal. He received his Bachelor of Science degree in mathematics from Villanova University and did graduate work at American University and George Washington University.