Which of the following ranks requires a minimum age of 29 for commissioning?

The correct answer is the Surface Warfare Officer. Commissioning requirements for different officer ranks can vary based on the responsibilities and training involved. For the Surface Warfare Officer, the minimum age requirement is set at 29 years old to ensure that candidates have a certain level of maturity, experience, and leadership readiness that is essential for overseeing complex operations and leading personnel in challenging maritime environments.

In contrast, the other roles may have different age requirements or may not impose a minimum age of 29, as they may emphasize other qualifications such as specific educational backgrounds or training regimes that can be completed at younger ages. The role of Surface Warfare Officer is uniquely demanding and requires extensive preparation, thus the higher minimum age aligns with the need for individuals who can manage not only operational tasks but also lead larger teams effectively.