6483 countermeasures system

The Marine Corps MOS 6483 is for Communication/Navigation/Cryptographic/Countermeasures Systems Technician, IMA. These technicians inspect, test, maintain, and repair airborne weapon replaceable assemblies, shop replaceable assemblies, and ancillary equipment. They work on aircraft electronic countermeasures systems or subsystems.

Other Marine Corps MOS codes include: 1169: Utilities Chief 7242: Air Support Operations Operator