The 53d Electronic Warfare Group (53 EWG) is a component unit of the 53d Wing of the Air Force Warfare Center, Air Combat Command, headquartered at Eglin Air Force Base, Florida. The 53 EWG is a non-flying unit responsible for providing operational, technical and maintenance electronic warfare expertise for the CAF and for systems engineering, testing, evaluation, tactics development, employment, capability and technology assessment. This includes the wartime responsibility for emergency reprogramming and dissemination of EW system mission data software for CAF aircraft. The group manages the Combat Shield Electronic Warfare Assessment Program for CAF aircraft EW systems. Combat Shield provides operational units a system-specific capability assessment for their radar warning receivers, ele