The deal will provide the AN/ASQ-239 suite for production lots 20 through 22 of the stealth fighter.
SpaceX founder Elon Musk has criticised Delta for choosing Amazon’s Leo over Starlink.
Flights to and from Riyadh remain disrupted after the ballistic missile attacks, for which Yemen-based Houthi rebels have claimed responsibility.
Carrier operates Russian-built types including Superjet 100 and Tu-204.
The Florida air taxi developer, majority owned by Brazil’s Embraer, plans to begin US air taxi demonstration flights in 2028.
Lead rotorcraft enters build phase at Airbus Helicopters’ plant in Marignane.
The funding covers 19 projects spanning technologies including satellite communications, drone identity verification, surveillance and detect-and-avoid systems.
Sixty cabin crew at seven UK airports will vote on the potential strike.