What device does an E-5 in the Navy wear?

An E-5 in the Navy, which is a Petty Officer Second Class, wears an insignia that consists of an eagle and a specialty mark above two chevrons. This insignia symbolizes their rank and demonstrates their advancement and expertise within a particular field or specialty. The eagle represents the authority and responsibility associated with the rank, while the two chevrons indicate the level of achievement that the sailor has reached in their naval career. This combination is standard across all branches of the U.S. military, where different insignia are used to signify rank and qualifications effectively.

The other options do not represent the correct insignia for an E-5 in the Navy, as they depict either a different number of chevrons or elements that are not characteristic of the E-5 rank.