What is a component of the navy standard chain stopper?

A component of the navy standard chain stopper is indeed the shackle or detachable links. These elements are crucial because they facilitate the secure attachment and easy release of the chain to the ship's mooring system. Shackles or detachable links are designed to hold heavy loads while allowing for quick connections and disconnections, which is vital in various maritime operations.

In the context of a navy standard chain stopper, shackle or detachable links ensure that the chain can be securely fastened when moored, yet can be released rapidly as needed. This functionality is essential for maintaining safety and efficiency in naval operations, particularly in adverse conditions where a reliable and quick release mechanism can be critical for the safety of personnel and equipment.

Other options like rope, hitch, and cleat, while important in various applications of mooring and securing, do not specifically refer to the components that make up a navy standard chain stopper. Each of these has its distinct purpose but does not provide the same level of secure attachment applicable to a chain stopper's design and function.