F-35 Lot 15 Block 4 aircraft to receive EW upgrade
Contract modification for Lockheed Martin includes EW racks and low-voltage power supply.
Lockheed Martin has been awarded a $64.12 million contract modification for EW systems on the F-35 Lightning II multi-role fighter.
The modification includes the delivery of Digital Tuner Insertion Program EW racks and high-efficiency low-voltage power supply.
‘These upgrades will enable for future upgrades to Lot 15 Block 4 configuration, including Technical Refresh Three for the [US] Air Force and non-Department of Defense participants,’ the DoD announced on 26 January.
Work on the contract from Naval Air Systems Command will be performed in Fort Worth, Texas, and is expected to be completed in June 2025.
As part of our promise to deliver comprehensive coverage to our Defence Insight and Premium News subscribers, our curated defence news content provides the latest industry updates, contract awards and programme milestones.
You may also like
More from Air Warfare
-
![The 2020s: a decade of UAV spending growth]()
The 2020s: a decade of UAV spending growth
Total annual drone spending has increased nearly sixfold since the start of the decade, from $2.9 billion in 2020 to $16.3 billion in 2028, with Europe leading the rise.
-
![USAF opens B-52 upgrade to new companies as major programmes fall behind schedule]()
USAF opens B-52 upgrade to new companies as major programmes fall behind schedule
The US Air Force is seeking additional contractors to support communications upgrades for the B-52, while multiple Stratofortress modernisation programmes continue to experience delays, cost growth and technical challenges.
-
![July drone digest: Sovereign production takes centre stage at Farnborough]()
July drone digest: Sovereign production takes centre stage at Farnborough
Farnborough International Airshow (FIA) 2026 revealed the growing scale of the UK’s uncrewed ambitions, with companies showcasing new CCA, autonomous wingmen and surveillance drones, while sovereign production emerged as a key factor for multiple programmes.
-
![July air forces review: Farnborough steals the headlines as programmes develop]()
July air forces review: Farnborough steals the headlines as programmes develop
The biannual Farnborough International Airshow 2026 was the backdrop in July for scores of deals, partnerships and announcements, including developments in the multinational next-generation Global Combat Air Programme and the UK’s $486 million trainer aircraft requirement.
-
![FIA 2026: Bell highlights MOSA-driven growth path for MV-75 Cheyenne]()
FIA 2026: Bell highlights MOSA-driven growth path for MV-75 Cheyenne
Bell Flight’s modular open-systems approach for the US Army’s MV-75 Cheyenne could open doors for international allies and suppliers once locked out by closed rotorcraft architectures.
-
![Maximise survivability with advanced electronic warfare (video)]()
Maximise survivability with advanced electronic warfare (video)
BAE Systems’ all-digital EW delivers 360-degree threat awareness in contested environments, boosts survivability, and cuts lifecycle costs.
