Any Decision To Buy New-Build F-16s Not An “Urgent” Priority: USAF

The U.S. Air Force says any decision on whether or not to acquire new production F-16 Viper fighters is likely a year or more away. The service’s top officer in charge of force structure planning has also now raised the prospect of using a “spectrum of capability” to eventually supplant aging older-model F-16s. All of this comes as the Air Force has laid out a new vision to have 1,509 combat-coded fighters in inventory, hundreds more than it has now, by 2035, amid questions about whether industry and budgets can keep up.

Inside Defense and Air & Space Forces Magazine were among the first to report on the Air Force’s latest long-term fighter force structure plan late yesterday. This followed a roundtable with Lt. Gen. David Tabor, the service’s Deputy Chief of Staff for Plans and Programs. At the time of writing, an unclassified copy of the report, which was submitted to Congress last week, has not been released publicly. TWZ has reached out for more information.

Air Force Lt. Gen. David Tabor, seen here testifying before the Senate Armed Services Committee in 2024. USAF

Tabor said yesterday that the target fleet of 1,509 combat-coded fighters by 2035 would be approximately 40 percent F-35s, 40 percent F-15s (inclusive of F-15E Strike Eagles and F-15EX Eagle IIs) and F-16s, and 20 percent F-22 Raptors and F-47s, according to Air & Space Forces Magazine. As an aside, the final expected F-47 fleet size remains unclear, though the Air Force continues to say it plans to acquire at least enough of those jets to replace its 185 F-22s on a one-for-one basis.

The current breakdown of the service’s fighter force structure is 45 percent F-16s, 30 percent F-35s, 15 percent F-15s, and 10 percent F-22s. Last year’s long-term fighter force structure report said the service was aiming for an eventual inventory of 1,558 combat-coded fighters and hoped to hit a milestone of 1,369 aircraft by Fiscal Year 2030. As of the start of Fiscal Year 2026, the Air Force had 1,168 combat-coded fighters, not including 103 A-10 Warthog ground attack jets, which have been part of this force structure planning in the past. The plan now is for the last of the A-10s to be retired by 2030. The new 2035 figure also does not include the hundreds of Collaborative Combat Aircraft (CCA) drones the service wants to have acquired by that time, something we will come back to later on.

The US Air Force included these graphs showing projected fluctuations in fighter inventories in its annual force structure report last year. Not that the combat-coded tally for Fiscal Year 2030 shown here is lower (1,304) than the one the service said it was aiming for (1,369) at the time. The reason for that discrepancy is unclear. USAF

Currently, the Air Force expects fighter fleet expansion to be driven by the acquisition of new F-35As, F-15EXs, and F-47s. This was also the case when last year’s fighter force structure report was released. The possibility of the Air Force also acquiring new-production F-16s has come up several times in recent years. Most recently, there were several reports last month that prime contractor Lockheed Martin had made a new pitch to the service for a version of the latest Block 70 version of the fighter, tentatively dubbed the F-16G. New Block 70 and Block 72 F-16s, which differ in what engine they use, are being actively produced at Lockheed Matins’ plant in Greenville, South Carolina. At that time, TWZ did a deep dive into the benefits that this could offer the Air Force.

The new-production F-16D seen here, destined for Morocco, became the first Block 72 version to fly just earlier this month. Lockheed Martin

“There is a spectrum of capability that we might want to replace the F-16s with,” Lt. Gen. David Tabor said amid a discussion about the prospect of acquiring new Vipers at the roundtable yesterday, per Air & Space Forces Magazine. “It’s not urgent, frankly. What we don’t want to get to is a point where it is urgent, and we haven’t done the homework and decided ‘hey, this is really the right place to be.’ We do have time to churn through that and make sure that we have a good option going forward.”

“We’re not in a position where that decision has to be made immediately,” Tabor added, while acknowledging that “we are very conscious” that older-model F-16s are set to begin reaching the end of their lifespans in the 2030s. He also said any such planning was unlikely to be part of the process of developing the service’s Fiscal Year 2028 budget proposal, which will be released sometime early next year.

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