What is the "two power standard" in naval policy?

The "two power standard" is a strategic naval policy that originated in the late 19th century, particularly associated with British naval strategy. This policy posits that the Royal Navy should maintain a naval force that is at least as powerful as the combined strength of the next two largest naval forces. It reflects a historical context where Britain sought to ensure its maritime superiority and protect its vast empire through overwhelming naval power. By adhering to this standard, Britain aimed to deter potential adversaries and secure its interests globally, ensuring that no single nation or combination of nations could challenge its naval dominance. This strategic approach played a crucial role in the expansion and maintenance of Britain's maritime supremacy during a critical period in history.

Understanding this concept highlights the importance of maritime strength in international relations and military strategy, particularly during times when naval power was crucial for national security and global influence.