Dr. Michael R. Barratt was selected by NASA in 2000. Board certified in Internal and Aerospace Medicine, he has participated in two spaceflights. In 2009, Dr. Barratt served as Flight Engineer for Expedition 19/20.
This marked the transition from three to six permanent International Space Station crew members. During this time, he performed two spacewalks. He also flew on STS-133, which delivered the Permanent Multipurpose Module and fourth Express Logistics Carrier
AsMA
The 95th annual meeting
The Space Medicine Branch was founded in 1951 as the first constituent organization of the Aerospace Medical Association (AsMA).
The association was founded for the express purpose of advancing the science and art of space medicine and the biological sciences, with special emphasis on the problems facing humans in the space environment.
Space Medicine Protecting Crews, Station Reboost Aborte
Doctors constantly monitor the health of station crew members to understand how living and working in space for months o …
Cutting Edge Medical Studies Look at Crew Fitness and Vision
Fitness research and vision studies once again topped the science schedule aboard the International Space Station on Wed …
Exercise Research and Computer Upgrades Keep Crew Busy on Tuesday
The Expedition 73 crew members explored how exercise in space affects the body, conducted an eye exam, and continued upg …
Crew Studies Cardiac Health and Unpacks Cygnus, Progress Spacecraft
Expedition 73 kicked off the week with ultrasound scans for cardiac research and unloading new science experiments deliv …
NASA Selects All-American 2025 Class of Astronaut Candidates
NASA announced its 2025 Astronaut Candidate Class on Sept. 22, 2025. The 10 candidates, pictured here at NASA’s Johnson …
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