Same problem faced by the USAF in procuring the f22 - a highly advanced aircraft with an unaffordable price tag. If the USN is to procure the fa-xx in numbers envisioned to achieve air dominance, they may have to resort to a financial structure similar to a housing mortgage plan.
With China surpassing the US in Navy combat ships it makes sense to fund a Virginia attack class submarine they are the quietest in the world and devastate a Naval force.