Final answer:
In the USAF, an Airman's ordinary leave request is reviewed and either approved or disapproved by their immediate commanding officer or unit commander, following an initial endorsement from their supervisor.
Step-by-step explanation:
In the context of the United States Air Force (USAF), an Airman's ordinary leave request is typically reviewed and approved or disapproved by their immediate commanding officer. The leave approval process generally involves the submission of the leave request through the Air Force's LeaveWeb system, where it is routed to the Airman's supervisor for initial endorsement. After the supervisor's endorsement, the request is forwarded to the unit commander, who has the authority to approve or disapprove leave based on the needs of the service, among other considerations.
It's important for Airmen to communicate with their chain of command and follow unit-specific procedures when requesting leave. Furthermore, other factors such as current mission requirements, manpower levels, and the timing of the requested leave might impact the approval process.