Final answer:
The United States Air Force's service control point is Air Mobility Command.
Step-by-step explanation:
The correct answer to the question is A. Air Mobility Command. Air Mobility Command acts as the United States Air Force's service control point. It is responsible for providing airlift, aerial refueling, and aeromedical evacuation for the U.S. armed forces. As the service control point, it coordinates and oversees the transportation and logistical operations of the Air Force.