What is the definition of close air support (CAS)?

The definition of close air support (CAS) is accurately represented as air action against hostile targets near friendly forces. This concept emphasizes the coordination required between ground troops and air support, ensuring that air operations can effectively target enemy positions that are in proximity to friendly units without endangering them.

Close air support is critical in modern warfare because it allows ground forces to gain an advantage by leveraging aerial capabilities to enhance ground operations. It involves precise targeting and accuracy to minimize the risk of collateral damage, making it a vital aspect of joint operations.

The focus on proximity to friendly troops distinguishes CAS from other forms of air support, such as strategic bombing, which targets enemy positions situated far behind the front lines. This specificity underlines the importance of situational awareness and communication in joint operations, as CAS must be closely aligned with the movements and needs of ground forces.