How many divisions are listed for electronic warfare?

• A. Two
• B. Three
• C. Four
• D. Five

Answer: (B)

Electronic warfare is structured around three divisions: Electronic Attack, Electronic Protection, and Electronic Warfare Support. Electronic Attack covers actions that degrade or deny the enemy’s use of the electromagnetic spectrum, such as jamming or spoofing signals. Electronic Protection aims to preserve our own spectrum use by hardening, frequency agility, and other measures that keep friendly systems from being overly affected. Electronic Warfare Support involves gathering and analyzing emissions to locate and identify threats, providing targeting information and situational awareness.

Because these three areas cover offensive disruption, defensive resilience, and intelligence/collection related to the spectrum, the standard count is three. Two would miss either protective or support elements, while four or five would imply additional divisions not typically recognized in standard EW doctrine.