EC - Electronic Combat 
ECESL - Electronic Combat 
REC - Radio Electronic Combat 
REC - Radio-Electronic Combat 
ECR - Electronic Combat Range 
ECP - Electronic Combat Pilot 
ECO - electronic combat officer 
ECDES - Electronic Combat Digital 
ECS - Electronic Combat Support 
ELECMBT - Electronic Combat Support 
AEC - Aviation Electronic Combat 
ECM - Electronic Combat Measures 
ECS - Electronic Combat Squadron 
SEC - Space and Electronic Combat 
ECWG - Electronic Combat Working Group 
RECS - Radio Electronic Combat Support 
RECS - Radio-Electronic Combat Support 
ECR - Electronic Combat Reconnaissance 
ECSF - Electronic Combat Support Fligh… 
ECTS - Electronic Combat Training Syst… 
ECIT - Electronic Combat Integrated Te… 
AFECO - Air Force Electronic Combat Of… 
ECR - Electronic Combat and Reconnaiss… 
EMR - Electronic-combat Multi-function… 
TRECS - Tactical Radar Electronic Comb… 
SECT - Simulator for Electronic Combat… 
AFEDO - Air Force Electronic Combat Or… 
ECIPS - Electronic Combat Integrated P… 
CAGES - Common Air-Ground Electronic c… 
ECMES - Electronic Combat Modeling and…