Which of the following is a characteristic of a Rear Admiral (upper half)?

The characteristic of a Rear Admiral (upper half) is accurately identified as being an O-8 rank. In the Navy, the rank structure designates Rear Admiral (upper half) as the first star rank, which is above the O-7 rank, known as Rear Admiral (lower half). The distinction between these ranks is significant, as the responsibilities and authority of an O-8 are greater, often involving command over larger operations and more extensive resources, such as fleets or task groups.

This rank is associated with an elevated level of leadership, often tasked with strategic planning and higher command decisions within the Navy, making it vital to recognize the difference in ranking when considering positions and command responsibilities.

Other positions like O-7 or command roles of specific submarines may relate to the duties of a Rear Admiral, but the essential characteristic of being an O-8 is fundamental for understanding the specific rank associated with Rear Admiral (upper half).