What does the sleeve device for an E-7 in the Navy include?

The sleeve device for an E-7 in the Navy includes an eagle above three chevrons and a specialty mark topped by a rocker. This insignia design is specific to the rank of Chief Petty Officer, which is the E-7 pay grade. The eagle symbolizes the authority and responsibility that comes with this rank, while the three chevrons represent the rank itself within the enlisted structure. The specialty mark indicates the individual's specific area of expertise within the Navy, and the rocker signifies that the individual holds the Chief Petty Officer rank, denoting a leadership position. This specific combination of symbols is essential for identifying the E-7 rank accurately within naval personnel hierarchy.