BAE Systems has received a contract from Boeing to deliver high-performance AN/ALQ-250 Eagle Passive Active Warning Survivability Systems (EPAWSS) for Republic of Korea Air Force (ROKAF) F-15K Slam Eagle fighter jets, the company announced on 13 July 2026.

The advanced electronic warfare (EW) systems will provide critical situational awareness and self-defence capabilities, enabling ROKAF F-15K pilots to operate effectively in contested environments.

The all-digital EPAWSS system provides 360° threat detection and countermeasures, allowing pilots to conduct missions in hostile and signal-dense electromagnetic environments.

“Its advanced capabilities complement the speed, range and payload of the F-15, enhancing combat airpower and air superiority,” BAE Systems stated.

“We are working closely with Boeing, the ROKAF and regional industry teams to deliver the most technically advanced EW system for the F-15K aircraft upgrade,” Phillip Casalegno, F-15 international program director at BAE Systems, was stated as saying in a company press release. “Our focus is on providing allies with EW capabilities needed to support regional stability and security.”

EPAWSS is an integral part of the F-15K aircraft upgrade: a foreign defence sales initiative with South Korea’s Defense Acquisition Program Administration to modify the ROKAF’s 59-aircraft F-15K fleet. The upgrade will improve the country’s ability to counter current and future threats and ensure interoperability with US. forces.

EPAWSS is currently in full-rate production, with systems produced for all new F-15EX Eagle IIs and for the modification of F-15E Eagle aircraft. The system has been employed in operational settings and is continuously improved via software and firmware updates.