What is the collar device for an E-6 in the Navy?

In the Navy, the collar device for an E-6, which is also known as a Petty Officer First Class, features an eagle perched above three chevrons. This design symbolizes the rank and experience of the sailor, with the eagle representing leadership and authority, while the three chevrons signify the specific rank of E-6 within the enlisted ranks.

The collar device is a visual representation of the sailor's advancement and achievements, indicating that they have reached a significant level of responsibility and expertise in their role. The distinct elements of the collar device, specifically the eagle and the three chevrons, are widely recognized across the Navy and serve to establish rank and respect among peers.