NASA pilots enter new frontier
Lt. Col. Nicole Mann (front), United States Marine Corps, NASA astronaut, and Christina Koch, NASA astronaut, prepare to take off in a T-38 Talon, July 8, 2016, at Beale Air Force Base, California. Mann and Koch, completed full-pressure suit training with the 9th Physiological Support Squadron, as part of their Space Flight Readiness Training. (U.S. Air Force photo/ Senior Airman Bobby Cummings)

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Tags: #NASA, #9RW
Photo by: Senior Airman Bobby Cummings |  VIRIN: 160708-F-CY182-021.JPG