Under what conditions can a sailor wear one Navy service stripe?

A sailor can wear one Navy service stripe after completing a designated period of active duty service. The correct response highlights the requirement of 2 years of reserve service in addition to 2 years of active duty Navy service. This combination meets the criteria established for earning service stripes, which are indicative of a sailor's time served.

The policy behind the service stripe is in recognition of a sailor's commitment and time spent serving, and it reflects a blend of active and reserve service time that contributes to a sailor's overall experience in the Navy. The conditions set forth ensure that both active duty and reserve service are acknowledged, providing a more comprehensive representation of a sailor's service record.

This understanding of military service recognition underlines the importance of different types of service and their contributions to the sailor’s overall career. For those in the Navy, it's crucial to keep track of both active and reserve time as they correspond to promotional advancements and eligibility for various awards and insignia.