Astronauts training for Apollo 14 mission, 4 November 1970.
© National Aeronautics & Space Administration / Science & Society
Al Shepard is training with the Modular Equipment Transporter (MET) in NASA's KC-135 aircraft at one-sixth gravity. Ed Mitchell follows at the back of the MET. The aircraft pilot flew the KC-135 in a series of parabolas and, on the descending branch, gave