Please follow http://www.nasa.gov/press/2013/september/the-challenge-is-on-team-registration-open-for-nasa-dpi-unmanned-aircraft/#.UkHtHnfleSo.

Please follow http://www.nasa.gov/press/2013/september/the-challenge-is-on-team-registration-open-for-nasa-dpi-unmanned-aircraft/#.UkHtHnfleSo.