What rank is classified as O-9 in the Navy?

The rank classified as O-9 in the Navy is Vice Admiral. This rank is one of the highest in the Navy and is typically held by officers who are in senior leadership positions, often commanding major operational forces or serving in high-level administrative roles.

The Navy uses a system of officer ranks that are categorized into various pay grades, with O-9 specifically designated for Vice Admiral. This rank is above Rear Admiral Upper Half, which is classified as O-8, and below Admiral, the rank classified as O-10. Understanding this structure is essential for comprehending the hierarchy within naval ranks and the responsibilities that come with them.