What this code covers
Electronic Countermeasures, Counter-Countermeasures and Quick Reaction Capability Equipment
Includes
Electronic Countermeasures, Electronic Counter-Countermeasures, Electronic Support Measures, and Quick Reaction Capability Equipment and components specially designed therefor which are not classifiable elsewhere in the FSC structure. Excluded from this class are nonelectronic items which are properly classified in more specific classes in accordance with the FSC structure and indexes.
Notes
This class includes, and is restricted to, passive and active electronic equipment, systems, and subsystems designed to prevent or reduce an enemy's effective use of radiated electromagnetic energy or designed to insure our own effective use of radiated electromagnetic energy.