Path to Mars Should Be Flexible, Experts Agree

The speaker was Bill Gerstenmaier, associate administrator for the Human Exploration and Operations Directorate at NASA Headquarters, and the meaning of his question was clear: People like Mars as an objective, and the human exploration of Mars is NASA's long-term goal. "We're building an approach that will allow humanity to move into the solar system, and Mars is the first destination," Gerstenmaier said. Gerstenmaier spoke at a plenary session at the American Institute of Aeronautics and Astro