Final answer:
The question about TCATX personnel's training days before OCONUS orders is related to Social Studies, but the exact number of days is not provided, and the reference given discusses presidential authority to deploy troops and the requirement for Congressional oversight.
Step-by-step explanation:
The information provided about TCATX personnel needing to complete a certain number of days of basic training prior to Overseas Contingency Operations (OCONUS) orders being approved is related to military procedure and protocol, which falls under the category of Social Studies.
However, the specific number of days required for basic training is not included in the question or the reference information provided.
Concerning the provided reference information, although it does not directly answer the student's question, it offers a relevant context on how military deployment is regulated. It explains that the president has the authority to deploy troops internationally for hostile engagements, but is required to seek congressional confirmation within 48 hours, and must obtain congressional approval for any deployment lasting beyond 60 days.
This pertains to the checks and balances system in U.S. government operations, specifically the War Powers Resolution.