The EC-27J JEDI EW Aircraft Achieves 5,000 Flight Hours Fighting Daesh In The Electromagnetic Spectrum The EC-27J JEDI EW Aircraft Achieves 5,000 Flight Hours Fighting Daesh In The Electromagnetic Spectrum Some images of the EC-27J JEDI operating as part of the Task Group Albatros. (All images credit: Italian Air Force) The little known EC-27J JEDI (Jamming and Electronic Defense Instrumentation) aircraft is the only non-American asset flying the Electronic Support and Protection mission in support of Operation Inherent Resolve (OIR). The EC-27J JEDI is a variant of the successful Leonardo C-27J Spartan military transport aircraft that has been heavily modified to perform Electronic Warfare missions: the aircraft carries an internal JEDI system that is coupled with a tail antenna to to jam the frequency bands used to remotely operate IEDs and UAVs, in order to neutralize them and thus protect personnel on the ground around areas of interest.