This is the passive, active, and dynamic employment of capabilities to respond to imminent or on-going actions against <answer>Air Force</answer> or <answer>Air Force</answer>-protected networks, the <answer>Air Force</answer>'s portion of the Global Information Grid, or expeditionary communications assigned to the <answer>Air Force</answer>. Cyberspace defense incorporates CNE, computer network defense (CND), and CNA techniques and may be a contributor to influence operations. It is highly dependent upon ISR, fused all-source intelligence, automated indications and warning, sophisticated attribution/characterization, situational awareness, assessment, and responsive C2.
What branch of the military is in charge of Cyberspace defense? 
Air Force