What is the collar device for an E3 in the Navy?

The collar device for an E3 in the Navy is designated as three silver diagonal stripes. This insignia represents the rank of Seaman during the enlisted ranks and is worn on the collar of the uniform. Each stripe symbolizes a step in rank progression, with the addition of an extra stripe indicating advancement and experience, ultimately reflecting the member's journey and commitment within the Navy.

Understanding the significance of this insignia is crucial in military protocol, as it enables personnel to identify rank and experience at a glance, fostering respect for the chain of command. The other options represent insignias for different ranks or branches. For instance, the eagle and anchor symbolizes a higher officer rank, while the crossed rifles and silver star are associated with different service branches or specific roles.