goes down and it's down there right now, but in the next few hours we learn that for a second time it has self aborted and started coming back to the surface because it wasn't capable of reaching that depth. where do they go from here if that were to happen? >> reporter: indeed. angus houston has suggested, in fact, if the depth is consistently greater than 4,500 meters, if it's beyond the operating range, they are already looking at bringing other assets in that can go far, far deeper. and that's, indeed, what we may have to do after a more analysis of the bottom, more detailed analysis of the bottom, which is what we're getting right now. that's certainly on the radar, wolf, absolutely. >> jeffrey thomas in perth, we'll check back with you tomorrow. thanks very much. we'll check back, of course, with tom, peter, and rene, as well. stand by, guys. more on this story coming up. also, ukrainian troops now,