Final answer:
When Paul returns to the front, high-ranking officials or dignitaries are likely to be those arriving to view the army, as suggested by the context of military preparation and respect for leadership.
Step-by-step explanation:
Based on the passages provided, when Paul returns to the front, the entities anticipated to be arriving shortly to view the army are likely high-ranking officials or dignitaries. The references made in the texts involve trusted commanders, the returning of military standards, and the respectful gestures shown to an admired leader among the soldiers.
These suggest a context where the presence of important figures in the military hierarchy, such as commanders or political leaders, would be expected.
The detailed descriptions of military formations, attire, and the anticipation of someone important arriving suggest that the army is preparing to show its strength and capabilities.