Air Force or no Air Force, Sony will only put back in other OS support if it is cheaper in the long run. Since they lose money on every system and do not make it up in games from cases such as this, as long as the lawsuit ends up costing them less they will stay steadfast.
However, they just might whip up a special batch for such a large order; This is only if they can make a profit on the units and not take a loss. Seeing as how the government overpays for most items this might not be a problem. A few sample figures below..
2200*350= $770,000 (Current Retail)
2200*600= $1,320,000 (Original Price)