It’s official: The F-35 will not get a new engine anytime soon

It’s official: The F-35 will not get a new engine anytime soon
It’s official: The F-35 will not get a new engine anytime soon

After rancorous debate, a new engine for the stealth fighter was already in doubt, but legislation released by congressional appropriators today seemingly puts the issue to rest.

As the heat rises with F-35 upgrades, inside Collins’s bet on a new cooling system

As the heat rises with F-35 upgrades, inside Collins’s bet on a new cooling system
As the heat rises with F-35 upgrades, inside Collins’s bet on a new cooling system

In a tour of Collins Aerospace’s facilities, executives said their new thermal management solution for the F-35 achieved a key benchmark, though the Pentagon hasn’t yet decided on a competition at all.

HAC-D chair throws cold water on new F-35 engine, won’t talk DoD supplemental until budget set

HAC-D chair throws cold water on new F-35 engine, won’t talk DoD supplemental until budget set
HAC-D chair throws cold water on new F-35 engine, won’t talk DoD supplemental until budget set

House appropriators do give money to the AETP program in their draft of fiscal 2024’s defense appropriations bill, but another lawmaker says that it’s just a “backup” and for research purposes.

Pratt blasts Lockheed’s ‘confusing and misleading’ adaptive engine advocacy (Exclusive)

Pratt blasts Lockheed’s ‘confusing and misleading’ adaptive engine advocacy (Exclusive)
Pratt blasts Lockheed’s ‘confusing and misleading’ adaptive engine advocacy (Exclusive)

In a high-profile public spat with little precedence between the airframe and engine giants, Pratt & Whitney executives are formally accusing Lockheed Martin of prioritizing its own bottom line by seeking an adaptive engine solution for the Joint Strike Fighter.

Lockheed backs new AETP engine for F-35

Lockheed backs new AETP engine for F-35
Lockheed backs new AETP engine for F-35

“I’m going to advocate, and I do advocate, for [the Adaptive Engine Transition Program, or AETP],” said Lockheed Martin aeronautics chief Greg Ulmer, who labeled “some” current approaches to the fighter’s engine modernization as “short-sighted.”

Why Wittman wants to save AETP engine while slowing next-gen fighter funding

Why Wittman wants to save AETP engine while slowing next-gen fighter funding
Why Wittman wants to save AETP engine while slowing next-gen fighter funding

In an interview with Breaking Defense, chairman of the House Armed Services Tactical Air and Land Forces subcommittee Rep. Rob Wittman explains the committee’s thinking behind keeping AETP going, as well as the reason for slashing funds from NGAD.

Air Force will not develop new F-35 engine, keeping Pratt as sole contractor

Air Force will not develop new F-35 engine, keeping Pratt as sole contractor
Air Force will not develop new F-35 engine, keeping Pratt as sole contractor

Air Force Secretary Frank Kendall said that if the development cost was lower, the Air Force may have found the space in its budget to fund the engine for its jets alone, “but at the level of several billion dollars to do that [engineering and manufacturing development], we couldn’t get there.”

Pentagon, Pratt finalize F-35 lot 15-17 engine deal

Pentagon, Pratt finalize F-35 lot 15-17 engine deal
Pentagon, Pratt finalize F-35 lot 15-17 engine deal

The agreement started as an undefinitized contract action in June 2022. The total value could reach as high as $8 billion.

JPO directive orders F-35 retrofit to return grounded jets to flight

JPO directive orders F-35 retrofit to return grounded jets to flight
JPO directive orders F-35 retrofit to return grounded jets to flight

The Pentagon grounded what officials say is a small number of F35s following the crash of a Joint Strike Fighter in December. The new hardware addresses the “harmonic resonance” issue officials identified during the investigation into the crash.

‘Some’ F-35s will require engine hardware fix, Pratt exec says

‘Some’ F-35s will require engine hardware fix, Pratt exec says
‘Some’ F-35s will require engine hardware fix, Pratt exec says

The fighters require the fix to correct the “harmonic resonance” issue identified during the investigation into the crash of an F-35B in December. “This is a very elegant solution,” a Pratt official said.

F-35 engine deliveries cleared to resume; flight safety rules pending

F-35 engine deliveries cleared to resume; flight safety rules pending
F-35 engine deliveries cleared to resume; flight safety rules pending

The Joint Program Office beleives it has a fix for a “rare system phenomenon involving harmonic resonance” in the F135 engine.

General Electric finishes testing adaptive engine, but will it power the F-35?

General Electric finishes testing adaptive engine, but will it power the F-35?
General Electric finishes testing adaptive engine, but will it power the F-35?

Air Force Secretary Frank Kendall has said the Defense Department could decide whether to continue developing an adaptive engine for the F-35 in the fiscal 2024 budget.

Kendall: Air Force needs to make a decision on F-35 engine in FY24 and ‘get on with it’

Kendall: Air Force needs to make a decision on F-35 engine in FY24 and ‘get on with it’
Kendall: Air Force needs to make a decision on F-35 engine in FY24 and ‘get on with it’

“I don’t want to loop along spending [research and development] money on a program that we either can’t afford or we’re just not going to get agreement on among all the different services,” Air Force Secretary Frank Kendall said of the AETP program.

Can GE finally break through on the F-35 engine at a ‘critical decision point’?

Can GE finally break through on the F-35 engine at a ‘critical decision point’?
Can GE finally break through on the F-35 engine at a ‘critical decision point’?

GE sees new F-35 performance demands and a refocused American defense strategy as a chance for its new XA100 engine.