NASA pilots enter new frontier
Members of the 9th Physiological Support Squadron, oversee Christina Koch, NASA astronaut, during her training exercise in a hypobaric chamber July 7, 2016, at Beale Air Force Base, California. Within the chamber, Koch reached simulated altitudes of more than 70,000 ft. (U.S. Air Force photo/ Senior Airman Bobby Cummings)

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Tags: #NASA, #9RW
Photo by: Senior Airman Bobby Cummings |  VIRIN: 160707-F-CY182-077.JPG