What is this eccentric thing about using the improper word "loose" or "loosing" to mean LOSE, or Losing? They are two different words. Didn't you complete Grade School?
Only because they were stuck with a bunch of old crap that no one else wanted. Otherwise they would have gone Sony to save weight that is a premium on every launch with such heavy pieces of outdated junk like the D5 model.
Not to mention the fact that the federal government would have to come up with the money to replace that equipment. Where would they ever come up with that kind of money? I wonder how big of a hit that would be on NASA's budget? Sometimes technology changes and we have to change with it. But I guess not yet.