USAF EA-37B Compass Call detected operating near Kaliningrad

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EA-37B Compass Call operations near Kaliningrad

After open-source flight-tracking platforms recorded an unusual concentration of reconnaissance and electronic warfare assets in the Baltic region, a United States Air Force (USAF) EA-37B Compass Call aircraft was detected operating close to Kaliningrad. The activity began on Tuesday 18 August and was still under way the following day, marking at least its second consecutive day and placing this specialist electronic warfare aircraft near the strategically important Russian enclave between Poland and Lithuania.

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The EA-37B’s presence was first reported on Tuesday 18 August, when it flew holding patterns in Polish airspace near Kaliningrad Oblast for almost two hours. According to Polish military sources, the aircraft had been redeployed from Greece to Powidz Air Base, where it operated alongside an E-3 Sentry and a Bombardier Challenger 650 ARTEMIS II aircraft used for intelligence, surveillance and reconnaissance missions. US and Norwegian fighter aircraft, as well as Polish ground forces deployed in the area, also took part in these activities.

Allied activity in the Baltic region

NATO stated that the Baltic activity involved routine missions intended to sustain and enhance the defensive capabilities of allied countries, publicly ruling out a direct response to any particular event. However, an organisation official clarified that the ongoing operation is an allied effort controlled by the United States rather than directly commanded by NATO. Despite that description, the continuing flights and the involvement of a platform as specialised as the EA-37B have drawn attention to operations around Kaliningrad.

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The appearance of a Compass Call in this area is particularly significant because of the capabilities concentrated within the Russian enclave. Kaliningrad is one of Russia’s principal military strongholds in the Baltic, hosting nuclear-capable ballistic missiles, anti-ship systems, tactical aviation squadrons and a substantial troop presence. It has also been identified as an important hub for Russian electronic warfare operations, giving the use of an aircraft specialised in the electromagnetic spectrum particular relevance in this setting.

EA-37B Compass Call electronic warfare capabilities

Built on a heavily modified Gulfstream G550 platform, the EA-37B Compass Call is intended to conduct stand-off electronic attack missions, including the jamming and degradation of hostile radars, communications and navigation systems. The aircraft also has secondary intelligence, surveillance and reconnaissance capabilities, enabled by its ability to detect, track and geolocate different types of emissions. The US Air Force programme currently covers 12 EA-37B aircraft, which are intended to progressively replace the EC-130H Compass Call. According to USAF information, the procurement programme reached that total after two additional aircraft were added to the ten originally planned.

The activity recorded in recent days also represents another stage in the EA-37B’s operational introduction in Europe, following the US Air Force’s first deployment of the platform to the continent in early 2026. As open-source tracking platforms continue to record the movements of reconnaissance and electronic warfare aircraft over the Baltic, the Compass Call’s presence close to Kaliningrad again highlights the importance of control of the electromagnetic spectrum in one of Europe’s most strategically sensitive regions.

Photographs used for illustrative purposes.