your mission. but can you remind us of what were you all setting out to do in the first place before this happened? >> can you just repeat that? the tone signal's not so hot. >> sure. i'm just wondering what the primary mission has been for you. what were you setting out to do as part of this expedition? what's the research? >> oh, the research, yes, absolutely. we're following in the footsteps of a great australian explorer and scientist, sir douglas morrison. 100 years ago, he basically took the antarctic expedition off the map. it was the equivalent of space travel. it was to see what lay south of australia in the process two of years, and they had amazing adventures in their own right. they made a raft of fantastic observations, which the pages would fill a bookshelf and there's a baseline of data, but we're comparing. and many parts of antarctica