What is the difference between a temporary promotion and a permanent promotion?

A temporary promotion is designed for specific situations, such as filling a vacancy, meeting mission requirements, or providing individual opportunities to serve at a higher grade for a limited duration. This type of promotion does not carry the same long-term implications as a permanent promotion, which signifies a career advancement and places the individual in a new position or rank that reflects their sustained performance and capability over time.

In contrast, permanent promotions are more significant as they represent a formal advancement in an individual's career, indicating a successful evaluation of their skills, leadership, and potential for future responsibility. A permanent promotion typically comes with a change in pay grade and may have implications for future assignments and opportunities.

The other choices imply incorrect situations. For instance, permanent promotions do not only last until the next evaluation, nor are they limited only to senior officers. Temporary promotions might require certain qualifications, which can include additional training, depending on the requirements of the temporary position. Understanding this distinction is essential for career advancement and planning within the military.