Returning grounded units to be ready for missions will require additional funds beyond Air Combat Command's normal budget, according to Air Force officials.

NPR: Federal Budget Cuts Ground Air Force Aircraft

The decision to sidestep the normal budget request process suggests the Pentagon deems the MOP upgrades to be a matter of some urgency.

WSJ: Pentagon Seeks Mightier Bomb vs. Iran

There's also a group of lawmakers who question the use of an emergency spending bill for a lot of these new programs that haven't gone through the normal budget process.

NPR: Marketplace Report: Senate Considers War Funding