“...but O’Brady traversed Greenland fairly recently.”
Thanks. Duh - of course they would have been working their way up to doing this sort of thing. And it isn’t their first foray into this type of adventure.
I’ll have to take some time and read the entire article and maybe follow the guy. I recall reading about other solo attempts (maybe the north pole?) where the guy flew up and stashed supplies along his route so he could resupply himself. I don’t know if that would still be considered as no outside assistance.
No, they can’t have any food or other supplies stashed in advance.
They can’t even go inside or accept any food or drink at the South Pole. That would void their attempt.