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Lockheed Boss: F-35 Tech Refresh-3 Coming in Mid-2024, Will Be ‘Worth The Wait’

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Lockheed Martin believes it is “manageable” to complete testing of the F-35 Technology Refresh-3 and start delivering new jets with the system by mid-2024, company chairman and CEO Jim Taiclet said Oct. 4—and he promised the resulting product will be “worth the wait.”

“We and the Joint Program Office, which manages the F-35 program, we do feel that it’s a manageable risk to get to second quarter of next year deliveries with the TR-3 program, [with] test flights completed,” Taiclet said in a discussion hosted by the Hudson Institute.

The JPO agrees that mid-2024 is a possibility, but there are risks, the program director has said.

Taiclet explained that the TR-3 is “a cutting-edge technology insertion, on a very complex platform that has to do … anti-spoofing, formation flying, counter-jamming” in a “serious” electronic warfare environment, he said.

The upgrade will be worth the wait, he said, because the F-35 will do edge computing, a complex technical capability “very similar” to autonomous drones or driverless cars, he said.

“We want to make sure this works, and the reason this is important is because the F-35 TR-2 version has the best attributes of the three areas you need to have effective edge computing node: that’s data storage [of the] size that you need; data processing capability and a robust server, how robust is your cloud; and multi-path connection to the cloud,” Taiclet said.

The capability resident in TR-3 will be an order of magnitude greater than in TR-2, he said, and with it, the F-35 will have a digital capability “unlike any other” in the world.

Lt. Gen. Michael Schmidt, the program executive officer for the F-35 JPO, told Air & Space Forces Magazine last month that he still sees risk in Lockheed getting TR-3 flight testing accomplished in the first half of 2024. The original estimate for delivery was by the end of 2023.

Schmidt said the TR-3 delays generally had to do with supply chain disruptions, behind-schedule software, and a late start of flight testing.

Many assumptions about getting TR-3 tested and delivered were too optimistic, Schmidt said, adding there still may be insufficient manpower and software laboratory capacity to hit the upgrade program’s timeline. The number of flight test aircraft available is also too small for the program’s needs, and the flight test infrastructure generally is “really old,” he said.

Schmidt said the TR-3—and the F-35 Block 4 upgrade, which requires the TR-3—suffered from insufficient planning and workarounds in case of delays.

“The consequences of it not being ready on time” weren’t sufficiently appreciated when the Block 4 was laid out, Schmidt said, explaining there was “no backup plan.” However, Schmidt did say the hardware “is doing pretty well right now.”

The centerpiece of TR-3 is a super-high-power computer/processor/memory upgrade, which will run the 85 or so improvements in Block 4, including new data fusion, new sensor suites, additional long-range precision weapons, upgraded electronic warfare capabilities, and interoperability with more platforms.

 
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Upgraded F-35s won’t be accepted by Pentagon come July​

An unknown number of new F-35s will be held up as a result of ongoing testing for the TR-3 system, with deliveries expected to start between December 2023 and April 2024.​

Michael Marrow
The Take off F-35A

A F-35A Lightning II lifts off for its first training sortie at Eglin Air Force Base, Fla. (US Air Force)

WASHINGTON — Starting in July, newly built F-35 Joint Strike Fighters outfitted with Tech Refresh 3 (TR-3) hardware will not be accepted by the government until ongoing testing for the system is completed, the F-35 Joint Program Office (JPO) tells Breaking Defense.

“As we reported to Congress in March, we still see risk of TR-3 delivery slipping until the December 2023-April 2024 timeframe. Delivering combat capable aircraft to our warfighters is our #1 priority and TR-3 provides the computational horsepower that ensures the F-35 remains superior to potential adversaries for decades to come,” JPO spokesman Russ Goemaere said in a statement.

“Starting later this summer, F-35 aircraft coming off the production line with TR-3 hardware will not be accepted (DD250) until relevant combat capability is validated in accordance with our users’ expectations. The JPO and Lockheed Martin will ensure these aircraft are safely and securely stored until DD250 occurs,” he added.

Following January’s first TR-3 flight test, the F-35 program started integrating the new hardware into production in February and set the first delivery of a jet equipped with TR-3 for July, according to a recent report by the Government Accountability Office. Since more flight testing and further evaluation of the system’s software remains, Goemaere’s statement confirms that jets with TR-3 hardware set to start rolling off the line this summer will be sequestered until that testing completes.

Earlier this year, during the company’s first quarter earnings call, Lockheed Martin chief executive officer Jim Taiclet indicated that F-35 deliveries would take a hit due to TR-3 delays. Taiclet, however, characterized the impact as minimal, describing it as only a “fraction” of F-35s that would result in “little to no revenue impact”; it is still unclear exactly how many jets will be held up as a result of the delivery pause.

“Our team is fully dedicated to delivering TR-3 F-35 aircraft and will continue to work with the JPO on software development while maintaining the highest levels of safety and quality. We continue to deliver aircraft in the TR-2 configuration as planned,” Lockheed Martin said in a statement.

In March, F-35 program executive officer Lt. Gen. Mike Schmidt told lawmakersthat the JPO’s “80 percent schedule risk assessment” expected that the TR-3 system would be completed by April 2024, an indication that date could slide left or right. Lockheed’s estimate, however, was that the TR-3 system would arrive by December 2023, a schedule the company is holding fast to.

“The joint team continues to work tirelessly on TR-3, and Lockheed Martin remains committed to delivering the first TR-3 jet this year,” the company said in response to questions from Breaking Defense.

Bottom line: any F-35 jet coming off the line starting in July that is expected to get the TR-3 configuration will be warehoused until that testing is finished. The best case based on existing estimates is around five months; worst case is closer to nine months, or even beyond if delays occur. (Lockheed is still building jets with a TR-2 configuration, whose deliveries will continue.)

TR-3 essentially provides the computing backbone to enable Block 4, a suite of new capabilities for the Joint Strike Fighter with features like enhanced electronic attack weapons and the ability to carry additional missiles. Block 4’s development has been mired in delays, with GAO reporting last month that its cost growth cannot be fully accounted for.

Previously, the F-35 program planned to have TR-3 available by April 2023, putting plans about a year behind the current schedule.

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“It’s hard to make large capital investments when your business is not as healthy as it could be or you want it to be,” said Boeing’s Steve Nordlund. “But that’s the time that you also have to make those hard decisions, so you come out on the other side much stronger.”
The F-35 program also separately paused deliveries recently due to a vibration issue known as harmonic resonance in the fighter’s engine, which resumed in March after the JPO ordered a hardware retrofit. Since then, “more than 45 F-35s” have been delivered to the government as of June 8, according to Lockheed.



 
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Lockheed Martin believes it is “manageable” to complete testing of the F-35 Technology Refresh-3 and start delivering new jets with the system by mid-2024, company chairman and CEO Jim Taiclet said Oct. 4—and he promised the resulting product will be “worth the wait.”

“We and the Joint Program Office, which manages the F-35 program, we do feel that it’s a manageable risk to get to second quarter of next year deliveries with the TR-3 program, [with] test flights completed,” Taiclet said in a discussion hosted by the Hudson Institute.

The JPO agrees that mid-2024 is a possibility, but there are risks, the program director has said.

Taiclet explained that the TR-3 is “a cutting-edge technology insertion, on a very complex platform that has to do … anti-spoofing, formation flying, counter-jamming” in a “serious” electronic warfare environment, he said.

The upgrade will be worth the wait, he said, because the F-35 will do edge computing, a complex technical capability “very similar” to autonomous drones or driverless cars, he said.

“We want to make sure this works, and the reason this is important is because the F-35 TR-2 version has the best attributes of the three areas you need to have effective edge computing node: that’s data storage [of the] size that you need; data processing capability and a robust server, how robust is your cloud; and multi-path connection to the cloud,” Taiclet said.

The capability resident in TR-3 will be an order of magnitude greater than in TR-2, he said, and with it, the F-35 will have a digital capability “unlike any other” in the world.

Lt. Gen. Michael Schmidt, the program executive officer for the F-35 JPO, told Air & Space Forces Magazine last month that he still sees risk in Lockheed getting TR-3 flight testing accomplished in the first half of 2024. The original estimate for delivery was by the end of 2023.

Schmidt said the TR-3 delays generally had to do with supply chain disruptions, behind-schedule software, and a late start of flight testing.

Many assumptions about getting TR-3 tested and delivered were too optimistic, Schmidt said, adding there still may be insufficient manpower and software laboratory capacity to hit the upgrade program’s timeline. The number of flight test aircraft available is also too small for the program’s needs, and the flight test infrastructure generally is “really old,” he said.

Schmidt said the TR-3—and the F-35 Block 4 upgrade, which requires the TR-3—suffered from insufficient planning and workarounds in case of delays.

“The consequences of it not being ready on time” weren’t sufficiently appreciated when the Block 4 was laid out, Schmidt said, explaining there was “no backup plan.” However, Schmidt did say the hardware “is doing pretty well right now.”

The centerpiece of TR-3 is a super-high-power computer/processor/memory upgrade, which will run the 85 or so improvements in Block 4, including new data fusion, new sensor suites, additional long-range precision weapons, upgraded electronic warfare capabilities, and interoperability with more platforms.


Will the new Refresh allow the operators to track and find crashed F-35 fighters?
 
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How do you feel about F-35 constantly getting updates like a smartphone?
Great.

Who is paying for all this?
We are.

But seriously...That was how the F-22/35 and B-2/21 were designed. To say 'like a smartphone' is an exaggeration, but it is no exaggeration to say that these jets' learned their lessons from the 4th-gen fighters with their 'blocs' upgrades. Avionics are more S/W based than being electronics engineering based.
 
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But seriously...That was how the F-22/35 and B-2/21 were designed. To say 'like a smartphone' is an exaggeration, but it is no exaggeration to say that these jets' learned their lessons from the 4th-gen fighters with their 'blocs' upgrades. Avionics are more S/W based than being electronics engineering based.
It looks exactly like a smartphone, coming every 1-2 years instead of every 10-15 years or so like in F-16 blocks.

And I'm not aware of any technology refresh for F22.
 
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Why won't US reopen production for more F-22 Raptors ?
 
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Why won't US reopen production for more F-22 Raptors ?
Because the oldfashioned way of designing the F-22 and the huge cost per flight hour.
The SAAB/Boeing T7-A used the Gripen design methodology opened the eyes of the USAF, and the sixth generation fighter will used similar methods and they are probably copying the App based architecture of the Gripen as well.
Gripen is designed to be low maintence, and that is not something you can easily add afterwards.
 
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