A17_ year old person serving in the u.s armed forces

Well is this a question? If so, then the only branch that is willing to take 17 year old members that are in high school would be the National Guard. The other branches all accept minors but only with parental consent. However, there is ROTC. This helps with ranking, pay grade and scholarships. 

A patient’s documented employment history would fall under which element of the PFS history?