Space History Photo: John Glenn in the Mercury Procedures Trainer

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John Glenn runs through training exercises. (Image credit: NASA)

In this historical photo from the U.S. space agency, John H. Glenn, one of the Mercury Seven Astronauts, runs through a training exercise in the Mercury Procedures Trainer at the Space Task Group, Langley Field, Virginia. This Link-type spacecraft simulator allowed the astronaut the practice of both normal and emergency modes of systems operations.

Each weekday, SPACE.com looks back at the history of spaceflight through photos (archive).

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U.S. Space Agency

The National Aeronautics and Space Administration (NASA) is the U.S. government agency in charge of the civilian space program as well as aeronautics and aerospace research. Founded in 1958, NASA is a civilian space agency aimed at exploring the universe with space telescopes,  satellites, robotic spacecraft, astronauts and more. The space agency has 10 major centers based across the U.S. and launches robotic and crewed missions from the Kennedy Space Center in Cape Canaveral Florida. It's astronaut corps is based at the Johnson Space Center in Houston. To follow NASA's latest mission, follow the space agency on Twitter or any other social channel, of visit: nasa.gov