They weren't exaggerating when they said the surface was dangerous. Direct exposure to sunlight during the day will quickly burn a human to a crisp, even in this fancy armor.
That means we have to adjust our sleep schedules and wait just below the surface until night falls. When it does, we'll make a mad dash for the obelisk, let Santiago get in as much work as he dares, then run our asses back to safety.
Strewth! I thought that bloody desert was diabolical, but this tops it for sure! Why couldn't we do something simple, like flee from a pack of ravenous Allosaurus or something? This life I lead, I swear...