Bell selected over Boeing to build DARPA SPRINT X-Plane
The programme first began in 2023 with Bell and Boeing’s concepts progressing to Phase 1B, in which testing has been carried out over the last year.
NAVAIR awards major contract modification for F135 jet engine
Pratt & Whitney F135 engine pictured during accelerated mission testing in 2021. (Photo: USAF/Jill Pickett)
Latest modification increases the contract ceiling for the F135 engine in the F-35 fighter aircraft.
Naval Air Systems Command (NAVAIR) has issued a $769.87 million contract modification to Raytheon Technologies and Pratt & Whitney Military Engines in support of F135 engine requirements for the USAF, USMC, USN, FMS customers and ‘non-Department of Defense participants’, the DoD announced on 23 September.
The modification increases the contract ceiling to procure spare parts for the F135 propulsion system that powers the F-35 Lightning II aircraft.
Raytheon and Pratt & Whitney will also supply support equipment and depot lay-in material for the F-135.
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Work will be performed at seven US locations plus Bristol (UK) and Santa Isabel (Puerto Rico), for completion by December 2025.
According to Shephard Defence Insight, the F135 delivers more than 40,000lb of thrust and is one of the most advanced engines in the world.
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