The role of the Compass Call is to disrupt enemy command and control communications, radars, and navigation systems, significantly hindering adversary coordination as part of the Counter-Command, Control, Computers, Communications, Cyber, Intelligence, Surveillance, and Reconnaissance Targeting (Counter-C5ISRT) mission.

[4] Among the equipment also found on the aircraft are: Network Centric Collaborative Targeting (NCCT) systems, System Control and Monitoring subsystems, Radio Frequency Receiver (RFR) subsystems, Software-defined Radio (SDR) subsystems, Counter Radar Assembly, Array Panels, AN/ARC-210 RT-2036 radios, KG-250 In-line Network Encryptors, KY-100 Narrow/wideband Terminals, KIV-77 Mode 4/5 Identification Friend or Foe (IFF), AN/PYQ-10C Simple Key Loaders[5] On 7 September 2017, the US Air Force awarded L3 Technologies (now L3Harris) a contract to replace the EC-130H Compass Call with an aircraft based on the Gulfstream G550.

[6] On 23 October 2018, Secretary of the Air Force, Heather Wilson, approved Air Combat Command's request to replace the EC-130H Compass Call aircraft from the 55th Electronic Combat Group (ECG) located at Davis-Monthan AFB, Arizona, with EA-37B aircraft (then known as EC-37B).

[7] On 23 August 2024, the first ready aircraft (serial number 19-5591) was delivered to Davis-Monthan AFB to begin pilot training.

United States Italy Data from Air Combat Command link: EA-37B Compass Call[13]General characteristics Performance