Which function is NOT typically performed by combat patrols?

Combat patrols are primarily designed to perform various tactical functions that support the mission of a combat unit. Among these functions, providing support by fire, conducting security operations, and engaging in attacks or assaults on objectives are integral to their purpose.

Combat patrols can offer support by fire, meaning they can help suppress enemy positions to facilitate movement for friendly forces. Furthermore, they play a crucial role in providing security, ensuring the safety of their unit or a specific area from enemy threats. Engaging in direct attacks or assaults on objectives can be a part of their mission when the situation demands it.

On the other hand, conducting aerial surveillance is typically outside the scope of what ground combat patrols do. Aerial surveillance is generally carried out by aviation units or specialized drone teams equipped for that purpose, focusing on gathering intelligence and reconnaissance from the air. Combat patrols are more grounded in direct engagement and area security rather than performing reconnaissance from an aerial perspective. Therefore, this function stands out as the one not usually associated with the typical operations of combat patrols.