Which of the following is one of the mission areas in cyberspace?

Offensive Cyberspace Operations (OCO) is indeed a recognized mission area within the cyberspace domain. It focuses on activities designed to project power in and through cyberspace by conducting operations that may include disrupting, degrading, or destroying adversary capabilities. OCO is a critical component of the broader strategy to protect national interests in the digital realm, as it enables military forces to engage adversaries proactively and to influence or deter hostile actions effectively.

This mission area is specifically aligned with the unique nature of warfare that occurs in cyberspace, where operations are characterized by their capability to operate at high speed and scale. This form of military operation is distinct from the other options, which do not specifically pertain to cyberspace but rather focus on different aspects of military strategy and operations in traditional domains. Understanding the distinction and the scope of OCO can help in grasping the complexities and criticalities of modern warfare in our increasingly digitized environment.