How many diagonal bars does a Seaman (E-3) have on their collar device?

A Seaman (E-3) in the United States Navy is identified by having three diagonal bars on their collar device. This design is part of the rank insignia that illustrates the pay grade and position within the naval hierarchy, with the three diagonal bars specifically denoting the rank of Seaman.

In naval tradition, the number of bars represents the level of experience and responsibility, with each subsequent rank generally having an increased number of bars or a different insignia. This differentiation helps to establish recognition among personnel and is crucial for maintaining the structure and discipline within naval operations.