Unfortunately, only open to US-based entities. The rules of the game can be found on the challenge website [1] [1] http://www.nasa.gov/sites/default/files/file

Unfortunately, only open to US-based entities. The rules of the game can be found on the challenge website [1] [1] http://www.nasa.gov/sites/default/files/files/CCP_CQ_OPSRUL_001.pdf http://www.nasa.gov/sites/default/files/files/CCP_CQ_OPSRUL_...