Which of the following is a cyberspace action that supports joint military operations?

The correct choice is cyberspace security, which plays a vital role in supporting joint military operations by ensuring the integrity, confidentiality, and availability of information and operational capabilities in the cyberspace domain. As military operations increasingly rely on networks and digital infrastructure, securing cyberspace becomes essential to protect sensitive information and maintain operational effectiveness. This includes safeguarding communications, preventing cyber attacks, and addressing vulnerabilities that could be exploited by adversaries. By implementing robust cyberspace security measures, the military can maintain an advantage in information warfare and support overall joint military objectives.

In contrast, air superiority primarily pertains to controlling the airspace and does not directly influence cyberspace operations. Direct ground support focuses on the integration of air and ground forces and their coordination, while logistics planning involves the organization and movement of resources. These areas, while critical to overall military operation success, do not specifically address the unique challenges and actions related to cyberspace actions.