Because: "The instrument redesign and two-year delay add $153.8 million" to the $675 million mission cost, NASA said in a statement. "The additional cost will not delay or cancel any current missions, though there may be fewer opportunities for new missions in future years, from fiscal years 2017-2020," it added."
All this to drill a hole 16 feet deep.
Put another way, $4.3 million per inch.
Of course if they crater the probe, all bets are off. No way to get any data out of that hole...
Ya, not a supporter of the 'new' NASA'. Not even a little.
Yes yes but its going to sit one that hole for 24 months - see ...