let's bring in david palka, who's the director of human and robotic exploration at the european space agency. he joins us from a node bike in the netherlands. david, thanks so much for being on the program. it seems that the 3rd time really is why it's just mission so significant. i. it's fantastic day for all of us in the space . well, this is returned to the moon. when it happened 50 years ago, it was the united states on its own. this time for us in europe, the 22 states 22 countries in europe. a part of this program is presented to the moon. we're going to stay to live and work on the moon. i one day go on. this is the new air space expiration day. what are the scientific benefits of this mission? why we repeating what was done half a century ago? well, because we're not going to they, we've learned a lot about the moods history. and what we're really excited about is to explore this undiscovered museum. and so the system history 2 years ago that we just went to the museum gift shop, grab this you soon ears came over again. this time we want to explore the regions which we now bel