What is one key feature of a close combat attack?

A key feature of a close combat attack is indeed the proximity of friendly forces to the enemy. This characteristic is critical because close combat attacks often involve engaging the enemy at short ranges, making it essential for friendly forces to operate in close proximity to ensure effectiveness and to achieve the tactical surprise necessary for a successful assault. It allows for rapid engagement and minimizes the time the enemy has to react, enhancing the chances of success in a direct confrontation.

The ability to engage opponents closely also indicates the coordinated effort of various units working together in complex battlefield scenarios, where timing and accuracy are paramount. This proximity allows for better observation of target areas and enables quick adjustments in tactics based on real-time feedback from the battlefield.

Other options, while they may pertain to combat operations in different contexts, do not encapsulate the essence of close combat attacks as accurately. Heavy artillery support is typically used at longer ranges. Long-distance communication may be critical in broader operational contexts but is less vital in close-quarter engagements, and relying exclusively on stealth tactics does not encompass the diverse approaches needed for successful close attacks.