 However, a year later, Air Force redesignated the 390th Tactical Fighter Squadron as the 390th Electronic Combat Squadron, which replaced the 388th and began serving as the wing's only EF-111A squadron.Operations throughout the early 1980s remained stable with the 366th Tactical Fighter Wing training F-111A and EF-111A aircrews while maintaining combat readiness in both aircraft.But as the F-111As were being retired, the wing's Ravens saw extensive service.