What is the significance of hash marks on a Navy uniform sleeve?

Hash marks on a Navy uniform sleeve symbolize the length of time a service member has successfully completed in the Navy, specifically relating to Good Conduct service. Each hash mark typically represents four years of active, honorable service, reflecting the commitment and discipline of the sailor throughout their career. The system serves not only as a visual representation of a sailor's tenure but also highlights their adherence to military standards and regulations, a crucial aspect of Navy values.

The significance of Good Conduct marks accentuates the importance the Navy places on maintaining high standards of conduct among its personnel, making it clear to all that these sailors have demonstrated responsible behavior and dedication to their duties. This element of the uniform not only boosts morale but also serves as a point of pride for the wearer, marking their ongoing contributions to the service.