Which of the following is the rank of E-4?

The rank of E-4 in the Navy is Petty Officer Third Class. This rank is indicative of a career enlisted sailor who has demonstrated a certain level of experience and competence as well as a commitment to their role and responsibilities. At this level, individuals typically possess the skills to perform and lead in their specific job, along with some added supervisory duties.

The designation of E-4 also reflects a key transition from being an apprentice or recruit (often classified as E-1, E-2, and E-3) to taking on greater responsibilities that come with being a third-class petty officer. The progression through the enlisted ranks is significant, marking an individual's advancement not just in pay but also in professional development and leadership capabilities within the Navy structure.