I don't know - the idea of someone who has done a week's "security training" running around all that expensive, critical ground and airborne communications & navigation equipment with a weapon capable of blasting out EMP signals makes me more than a little nervous...
No matter how expensive the "gun" is, you cannot really direct an EMP wave and restrict it like a traditional borescope weapon. All it will take is for someone firing it across an ILS transmitter array at a drone on the other side, and the airport loses their Cat II landing capability just as the airport gets socked in.