The NASAPrize Twitter account indicates that another team will be attempting to win the Northrop Grumman Lunar Lander Challenge:
there will be yet another team in the running for lunar lander challenge – to be announced soon
There are three teams vying for the prize: Armadillo Aerospace, Masten Space Systems, and Unreasonable Rocket. Teams have until the end of October to complete flights.
Armadillo Aerospace has already claimed $350,000 for winning first place in Level One of the competition. An additional $150,000 prize is available for second place at that level. An additional $1 million is available to the winner of Level 2 and $500,000 for the runner up.
The competition, part of NASA’s Centennial Challenges, is focused on developing lunar lander vehicles that can fly between launch and landing pads. The effort is managed by the X PRIZE Foundation.