1. (noun) military action involving the use of electromagnetic energy to determine or exploit or reduce or prevent hostile use of the electromagnetic spectrum

• electronic warfare

1. (noun) military action involving the use of electromagnetic energy to determine or exploit or reduce or prevent hostile use of the electromagnetic spectrum

• action
• military action

1. (noun) military action involving the use of electromagnetic energy to determine or exploit or reduce or prevent hostile use of the electromagnetic spectrum

• armed forces
• armed services
• military
• military machine
• war machine

1. (noun) military action involving the use of electromagnetic energy to determine or exploit or reduce or prevent hostile use of the electromagnetic spectrum

• eccm
• electronic counter-countermeasures
• ecm
• electronic countermeasures
• electromagnetic intrusion
• electronic warfare-support measures
• esm