What is one of the six key tasks of naval forces?

One of the six key tasks of naval forces is to deter major power war. This task is critical as it reflects the role of naval forces in maintaining peace and stability on a global scale. By having a credible naval presence, the navy can deter potential adversaries from engaging in conflict, thereby preserving national security and strategic interests. This deterrence is achieved through various means, including demonstrating naval capabilities, forming alliances, and participating in joint exercises which showcase the readiness and skill of naval forces.

In contrast, while assisting in humanitarian efforts, planning for land invasions, and conducting search and rescue operations are all important activities that naval forces may engage in, they do not encapsulate the broader strategic objective of deterrence. These activities are more specific operational capabilities rather than overarching tasks that define naval warfare strategy and philosophy. The emphasis on deterrence highlights the proactive stance that naval forces take in preventing conflicts before they escalate to war, ensuring a more stable international environment.