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Full F-47 Production Line “Not Too Far Away”: USAF General

Boeing has been proceeding with a multi-billion-dollar expansion of its facilities in St. Louis as the F-47 program continues to ramp up.

TWZJoseph Trevithick查看原文 ↗
美国空军将军：F-47全线生产线“指日可待”。

By Joseph Trevithick

Published Sep 29, 2026 12:53 PM EDT

A top U.S. Air Force acquisition officer says work to set up a full production line for the F-47 sixth-generation fighter is getting closer and closer on the horizon. Prime contractor Boeing is in the midst of a nearly $2 billion expansion to its facilities in St. Louis, Missouri. The F-47 program otherwise continues to progress along an aggressive schedule, with a first flight still being targeted for 2028 and the goal of production jets entering operational service in the early 2030s.

Air Force Brig. Gen. Timothy Helfrich, the service’s Portfolio Acquisition Executive for Fighters and Advanced Aircraft, provided an update on the F-47 program during a virtual talk hosted by the Air & Space Forces Association’s Mitchell Institute for Aerospace Studies yesterday. Boeing won the Air Force competition to produce the F-47 in March 2023 , and at least one pre-production example is being built now . The Air Force’s stated plan now is to acquire at least 185 of these jets.

“We have an imperative, I would call it a strategic asset, which is fighter production capacity,” Helfrich said during his opening remarks. “We only have so many production lines, and so we have to get the very most out of those that we can while planning for CCA [ Collaborative Combat Aircraft drone ] production, and pretty soon F-47 production.”

A rendering of the F-47 sixth-generation fighter. USAF

“There are only three active fighter production lines, right? We got F-35 down in Fort Worth, the F-15EX in St. Louis, and F-16 in Greenville,” Helfrich elaborated later on in the discussion in response to a question about steps the Air Force is taking to maintain sufficient operational capacity across its fighter fleets, in general. “So we need to grow the existing production lines, and we need to – or at least maximize what we can get out of those existing production lines, and we need to add production lines.”

“We’re not too far away from an F-47 production line, which will be additive to the production capacity,” he added.

Since 2023, Boeing has been working to substantially expand its production and other facilities in St. Louis by more than one million square feet. The company has repeatedly shied away from explicitly linking the $1.8 billion construction project to the F-47 program, but there have been clear signs of a connection for years now.

An undated aerial view of work to expand Boeing’s facilities in St. Louis. PARIC Corporation

“The project’s first phase includes plans to erect and renovate 1.1 million ft.2 of facilities on the 110-acre Brownleigh and 75-acre Northern tracts adjacent to St. Louis Lambert International Airport, according to planning documents released by the airport authority in 2023,” Aviation Week reported in 2025 . “Phase 1 includes the construction of a 880,000-ft.2 aircraft assembly building on the Brownleigh [site], plus a 185,000-ft.2 hangar, 80,000-ft.2 radar cross-section test facility, open aircraft shelters, hush house, maintenance building, fuel calibration building and fire house totaling 90,000 ft.2 on the Northern tract.”

At that time, parts of the new facility were reportedly expected to open in 2026 ahead of the completion of the full project in 2030.

A post across Boeing’s social media accounts in July highlighted continued progress with this construction. This included the completion of roof and exterior panels and the installation of hangar doors at a section of the site dedicated to “Advanced Combat Aircraft Assembly,” as well as the “first steel column installed for the Central Utility Plan” in the North Tract area.

Progress you can see. Built for what's next. Momentum continues on our St. Louis expansion: ✅ Advanced Combat Aircraft Assembly: roof and exterior panels complete, hangar doors installed ✅ North Tract: first steel column installed for the Central Utility Plant Fueling future… pic.twitter.com/281prUMMCV — Boeing Defense (@BoeingDefense) July 6, 2026

Progress you can see. Built for what's next. Momentum continues on our St. Louis expansion: ✅ Advanced Combat Aircraft Assembly: roof and exterior panels complete, hangar doors installed ✅ North Tract: first steel column installed for the Central Utility Plant Fueling future… pic.twitter.com/281prUMMCV

“Momentum continues on our St. Louis expansion,” Dan Gillian, Vice President and General Manager of Air Dominance at Boeing, also said in July, according to Flight Global . “We are expanding our defence footprint while supporting next-generation capabilities.”

All of this is in line with Brig. Gen. Helfrich’s comments yesterday about a full production line for the F-47 steadily taking shape now. This, in turn, fits squarely with the aforementioned aggressive timeline the Air Force is pursuing for the program overall. Accelerated work on the F-47 has been aided by years of flight testing in secret of advanced demonstrator aircraft .

There is also a question of whether Boeing’s expansion of its production capacity in St. Louis could also be tied to the Navy’s F/A-XX next-generation carrier-based fighter program. Boeing has been facing off against Northrop Grumman in the F/A-XX competition with a design that looks related, at least to some degree , to the F-47.

A rendering of Boeing’s proposed F/A-XX design. Boeing

The F-47 and F/A-XX programs have become very closely intertwined in other ways. In 2025, the Pentagon moved to freeze F/A-XX, explicitly over concerns about competition for industrial base resources with F-47. This would include production line capacity. Congress subsequently intervened to keep the Navy effort going, but a final winner still has yet to be announced.

Just earlier this month, Air Force Gen. Dale White, the service’s Direct Reporting Portfolio Manager for Critical Major Weapon Systems, reiterated concerns about industrial capacity . White’s comments came in response to a question about potential challenges in building F/A-XXs at the same time as F-47s at a media roundtable at the Air & Space Forces’ Air, Space and Cyber Conference at which TWZ was in attendance. The general also acknowledged that these concerns were “not unique” to F/A-XX and F-47.

During the virtual talk yesterday, Brig. Gen. Timothy otherwise touted continued progress on the F-47 program.

“The F-47 is going to be the world’s first sixth-generation fighter, and I can’t wait to fly it [sic; see it fly] this administration,” he said. “That’s a commitment that I made, that we are on track to do.”

The “administration” referred to here is President Donald Trump’s second term in office, which will come to a close in January 2029. With this deadline in mind, the Air Force has openly said in the past that it is aiming for a first flight of the F-47 in 2028. Beyond that, the stated goal is to be operating the jets operationally sometime in the early 2030s.

As noted, the Air Force has said previously that it is planning to acquire a fleet of at least 185 F-47s , which is in line with the original vision of the aircraft as a direct successor to the F-22 Raptor. However, there have already been signs that the final F-47 fleet figure could grow amid an evolving view of the F-22’s continued role in the near-term . A huge, multi-faceted modernization effort for the F-22 fleet is now underway, as you can read more about here .

A stock picture of a US Air Force F-22 Raptor. USAF

When the jets do enter service, “one of the things that we know F-47 is going to bring is more survivability and lethality than anything that’s ever been delivered before. And going into that highly contested environment, you have to meet certain levels of survivability if you want to execute there,” Helfrich noted yesterday. “Beyond just the survivability and lethality that we know is going to come, there’s also an adaptability that the F-47 will bring.”

“The F-47 will come out of the box with full open architecture,” he continued. “Amongst other great things, it brings the ability to upgrade rapidly, faster than the threat if needed. That is what is going to be required in that kind of environment. Other things it’s going to bring, it’s going to be much more survivable than our fifth-gen platforms, as well as have a combat radius of over 1,000 nautical miles, which you’re familiar with . That’s a long way, which is needed for that kind of environment. You need to be able to execute and persist there.”

“Especially in these highly contested environments, no one’s going to be fighting alone. So we need to make sure that we are integrating,” he added. “There’s some ability to get lift from one platform to another, right? Whether it’s a mission system, it’s communications, it’s open architectures, we’re seeing that integration pay dividends, so that we are integrated from day one.”

This kind of integration and cross-platform commonality in mission systems will be particularly relevant for F-47s acting as airborne controllers for CCA drones. Brig. Gen. Helfrich’s comments above also came in the midst of a discussion about future operations involving both F-47s and B-21 Raider bombers .

Many questions do still remain about plans for the F-47 and its design, including what engines will power the aircraft when it first enters service. In July, TWZ published a deep-dive feature about what is known about the aircraft to date, which you can find here .

In the meantime, the Air Force and Boeing are continuing to push ahead with laying the groundwork for full production of the F-47 as the jet gets closer to its first flight in the coming years.

Contact the author: joe@twz.com

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