Does Future Space Exploration Mean Manned Missions Are A Thing Of The Past?
On February 20, 1962, John Glenn climbed into a Mercury spacecraft mounted atop a powerful rocket and blasted into outer space. Over the next five hours he would circle the Earth three times, becoming the first American to be placed into orbit. As we approach the 50th anniversary of this milestone we talk with one local astronaut about the future of manned space flight.
Jeffrey A. Hoffman, Ph.D., professor of the practice of aerospace engineering, Massachusetts Institute of Technology