Which organization is responsible for the air mobility support mentioned in the text?

The responsibility for air mobility support is designated to the Department of the Air Force, which oversees various operations involving air transport and logistics. This department is integral to national defense and ensures that personnel and equipment can be moved swiftly and efficiently as needed. The Department of the Air Force is specifically tasked with managing air operations, which include planning, executing, and supporting air mobility missions.

Each of the other entities has a specific role within the overall military framework. The Military Transport Command typically focuses on logistics and transport but operates under the umbrella of the Department of Defense. The Air National Guard serves as a reserve force that supports state and federal missions, often involving air mobility but not serving as the primary authority for all air mobility operations. The Air Reserve Component provides additional personnel and resources to the active-duty forces but does not sole responsibility for air mobility support. Thus, the Department of the Air Force is the most appropriate organization to reference concerning overall air mobility support responsibilities.