$1:
"You very quickly become penny-wise and pound foolish because after a few years of maintenance, you’re able to look back and say, ‘Gosh, we maintained these old ships just to keep something going and the amount of money we have spent on maintenance could have bought us a brand new ship with everything in terrific shape.’ So the idea of trying to save a few bucks now very rapidly becomes a mug’s game because the cost of maintaining a ship like that increases geometrically as it gets older."
That's why we need the JSS ordered right away, not in a couple of years.