One of the roles of air power is to deny adversaries the ability to operate in which domain?

The role of air power in denying adversaries the ability to operate in the air domain is crucial for maintaining air superiority. Air superiority provides a strategic advantage by enabling friendly forces to conduct operations without interference from enemy aircraft. This control over the air domain limits the enemy's ability to execute bombing missions, reconnaissance, air-to-ground support, and other air operations that could threaten ground or naval forces.

In essence, securing the air domain directly impacts the overall effectiveness of military operations by ensuring that friendly forces can operate freely and effectively. While air power can also influence other domains like land and sea, its primary and most direct role is to achieve dominance in the air itself. This allows for the protection of ground forces and infrastructure while also ensuring that the enemy cannot easily project power from the air.