The Marine Corps MOS 6326 is for Aircraft Avionics Technicians, V-22. These technicians install, repair, inspect, and maintain components related to unmanned aircraft systems. They also install, remove, inspect, test, maintain, and repair systems, components, and ancillary equipment of installed aircraft communications, navigation, electrical, and deceptive electronic countermeasures systems.
The Marine Corps has a variety of jobs in avionics, including:
Unmanned aerial vehicle avionics technician
Aircraft avionics technician
Communications/navigation systems technician
Cryptographic systems technician