What rank is indicated by an eagle above one chevron?

The rank indicated by an eagle above one chevron is Petty Officer Third Class. In military insignia, the eagle represents the rank of Petty Officer, while the single chevron signifies the third class level within the Petty Officer ranks. This specific insignia is used to delineate the difference between various enlisted ranks, helping to establish roles and responsibilities within the navy or military context.

The design of the rank insignia is important as it provides a quick visual reference to the rank and experience level of the individual. The eagle signifies authority and leadership, characteristic of the Petty Officer role, while the chevron indicates the entry-level position within the Petty Officer ranks. This structure plays a vital role in maintaining order and hierarchy within military operations. Understanding rank insignia is crucial for effective communication and recognition of personnel in a military setting.