// UNMANNED SYSTEMS AND NEXT-GEN WARFARE TERM

EC-37B

The EC-37B is a U.S. Air Force aircraft used for electronic warfare, specifically designed to jam and disrupt enemy radar, navigation, and communication systems from the air. It's a modern replacement for the older EC-130H Compass Call plane.

TECHNICAL DEFINITION

The EC-37B Compass Call is a United States Air Force (USAF) Airborne Electronic Attack (AEA) aircraft developed by BAE Systems and L3Harris on a modified Gulfstream G550 airframe, tasked with conducting stand-off jamming and offensive electronic warfare (EW) to suppress and degrade enemy command and control (C2) networks, air defenses, and radar systems.

SYNONYMS & ALIASES

  • Compass Call II
  • Next Gen Compass Call
  • Stand-off Jammer
  • Airborne Electronic Attack Aircraft
  • Gulfstream G550 CAEW
  • E-37B

USAGE NOTE

The EC-37B represents a significant modernization, moving the Compass Call electronic attack mission from a turboprop to a faster, higher-flying business jet platform.

DEVELOPERS

Organizations developing technology related to EC-37B.

  • L3Harris Technologies

    Serves as the prime systems integrator for the EC-37B program, responsible for modifying the Gulfstream G550 airframe and integrating the advanced Compass Call electronic warfare mission systems.

  • BAE Systems

    Develops and supplies the core Compass Call electronic warfare (EW) mission payload, the system that provides the aircraft's offensive electronic attack capabilities.

  • Gulfstream Aerospace Corporation

    A subsidiary of General Dynamics, Gulfstream manufactures the G550 business jet which serves as the aircraft platform for the EC-37B, providing the required speed, range, and altitude performance.

  • United States Air Force

    The military service branch that is the customer and operator of the EC-37B. The aircraft is being acquired to replace the USAF's legacy fleet of EC-130H Compass Call aircraft.

  • Rolls-Royce

    Manufactures the BR710 turbofan engines that power the Gulfstream G550 platform, enabling the EC-37B to operate at high altitudes for extended periods.

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