Final answer:
The Air Force, along with other U.S. military branches, uses various integrated defense accounting systems to manage joint forces, which is handled by the Department of Defense. These systems aid in command and control, logistics, and operations planning during combined operations.
Step-by-step explanation:
The question asks about the accounting system used by the Air Force to keep track of joint forces. The U.S. Air Force, alongside other branches such as the Army, Navy, and Marine Corps, falls under the aegis of the Department of Defense (DoD) which orchestrates efforts and resources among these various branches during combined operations.
To manage these efforts, the U.S. military has developed joint doctrine and operational protocols to ensure efficient coordination and accountability of personnel and assets among the different service branches. This includes processes and systems for command and control, logistics, intelligence sharing, and operations planning. While a specific software or system name is not provided in the question, it is important to note that the DoD employs various integrated defense accounting systems that support joint operations, and these systems are periodically updated and revised to meet current and future operational needs.
Understanding the complexity and the technological integration required for such operations would generally fall within the scope of military logistics and associated fields of study.