Final answer:
The number of additional days needed to complete out-processing actions for separating or retiring deployed members depends on military branch policy and the individual's circumstances, but no specific number of days is provided in the question's information.
Step-by-step explanation:
The process of out-processing for a separating or retiring deployed member can vary based on branch of service, specific unit requirements, and individual circumstances. However, it is not explicitly stated how many additional days should be allocated for this process in the information provided. Since the question pertains to a procedural aspect of the military and not to the content of the provided information about the frequency of drills and the composition of forces during the Iraq War, it is not possible to furnish an accurate answer. In general, service members are advised to consult their chain of command or personnel support department for guidance on the timeline for separation or retirement out-processing since these details are dependent on specific military policies and the member's circumstances.