radiological countermeasures

acoustic countermeasures

active countermeasures

chemical countermeasures

chemical, biological and radiological (CBR)

chemical, biological, radiological and nuclear (CBRN)

chemical, biological, radiological and nuclear centre

chemical, biological, radiological and nuclear surveillance

chemical, biological, radiological and nuclear weapons

communications countermeasures

countermeasures

defense countermeasures

defensive mine countermeasures

electronic counter countermeasures (ECCM)

electronic countermeasures (ECM)

electronic detection countermeasures

electronic emulation and electronic countermeasures system (Leer-2) on Tigr-M chassis

electro-optical countermeasures

follow-on mine countermeasures

hydroacoustic countermeasures

laser countermeasures

medical countermeasures

mine countermeasures

mine countermeasures ship (vessel) (MCMV)

missile countermeasures system

missile defense countermeasures

mobile electronic emulation and electronic countermeasures system (Leer-2) on Tigr-M chassis

offensive countermeasures

optical electronic countermeasures

passive electronic countermeasures

radio countermeasures

radiological

radiological dispersal (dispersion) device (RDD); dirty bomb