What is the Air Combat component of a MEU?

The Air Combat component of a Marine Expeditionary Unit (MEU) is indeed the re-enforced Helicopter Squadron. This component plays a crucial role in providing aviation support for the MEU's operations, including transport, close air support, and reconnaissance missions. The re-enforced aspect indicates that the squadron is equipped with additional assets or capabilities, enabling it to perform a wider range of tasks effectively.

This component enhances the MEU's ability to project power and conduct operations across various environments, emphasizing the importance of air mobility and support in a joint force context. The helicopter squadron can quickly insert and extract personnel, provide aerial surveillance, and support ground forces during engagements, making it an integral part of the Marine Corps' flexible and responsive forces.

The other options listed do not provide the same level of direct air support or combat capabilities that a re-enforced helicopter squadron offers, thus highlighting the unique role the air combat component fulfills within the structure of a MEU.