William Gerstenmaier, associate administrator for the Human Exploration and Operations Directorate, NASA, speaks at the Humans to Mars Summit on Tuesday, May 5, 2015 at George Washington University in Washington, DC. Gerstenmaier was part of a leadership panel that spoke about NASA's path to human exploration of Mars.

---

Size: 3729px × 2968px
Photo credit: © NG Images / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: 2015, aubrey, auditorium, dc, gemignani, george, gerstenmaier, humans, lisner, mars, nasa, news, summit, university, usa, washington, william