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Astronaut, NASA, USA

Born on August 25, 1965 in Lancaster, Pencilvania, USA.

Graduated from Lake Orion High School, Michigan. Associate Science degree, Oakland Community College, Michigan. Bachelor of Science in Solid Earth Sciences, Purdue University. Master of Science in Geophysics, Purdue University. Ph.D. in Geological Sciences, specializing in Seismology, Queens University, Kingston, Ontario, Canada, 1995.


For three years he worked as geophysicist in Engineering Seismology Group in Kingston, Ontario, Canada. His work included installing and operating seismic monitoring equipment in underground mines throughout Eastern Canada and Northern United States.
In 1997, he began working for ExxonMobil, Houston, Texas, as an Exploration Geophysicist under seismic survey programs.
On July 26, 2000 he was selected as astronaut candidate. After completing basic astronaut training he graduated as a mission specialist and was assigned to JSC Astronaut Office Space Shuttle and Space Station Branches.

He flew his
first space flight on May 11 through 24, 2009 as a mission specialist on Space Shuttle Atlantis STS-125 mission. The orbiter crew carried out the fifth and the last mission to repair and refurbish the Hubble Space Telescope.
During the mission he carried out three spacewalks: the total duration was 20 h 58 min.
The mission duration was 12 days 21 hours and 37 minutes.

He flew his second space mission
May 16 through June 1, 2011 as a mission specialist on Space Shuttle Endeavor STS-134 mission. The spacecraft crew delivered to the ISS magnetic spectrometer AMS-02 and logistic carrier ELC-3 with cargo.
During the mission he carried out three spacewalks: the total duration was 21 h 20 min.
The mission duration was 15 days 17 hours and 38 minutes.
On June 26, 2016, he started training at the Gagarin Cosmonaut Training Center. The training program includes the study of the design and systems of Soyuz MS crew transportation vehicle and the Russian Segment of the ISS, training sessions to practice actions in case of landing in various climatic and geographic areas, individual elements of biomedical training, conducting certain joint scientific experiments, as well as the study of the Russian language.
On February 7 – 9, 2017, as a member of a notional crew together with Sergei Prokopiev and Oleg Artemiev, he underwent a three-day integrated training in ‘winter survival’ – the actions of the spacecraft crew after landing in marshy and wooded country in winter.
On November 30, 2017 by decision of the Interagency Commission he was approved as the flight engineer-1 of the main crew of Soyuz MS-08.
On February 20, 2018, at the Gagarin Cosmonaut Training Center, together with Oleg Artiemiev and Richard Arnold, he passed the qualification training session in the ISS Russian Segment. On February 21, 2018 the crew passed an examination training session in the simulator of Soyuz MS spacecraft.

March 2018
Based on data of site and

ISS Crew



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