Administrator <a gi-track='captionPersonalityLinkClicked' href=/galleries/search?phrase=Charles+Bolden+-+NASA+Administrator&family=editorial&specificpeople=15164541 ng-click='$event.stopPropagation()'>Charles Bolden</a> delivers the opening keynote address at the Humans to Mars Summit on April 22, 2014 at George Washington University in Washington, DC. With the goal of sending a manned spacecraft to Mars within the next two decades the summit helps promote the improvement of technologies that will make travel to the planet more feasible.