The first question was a hardy...The answer is:
The first graduating Medical Class - Savannakeht, Laos, 1959.
The answers to the next two are a little easier:
The Indigenous Personnel are:
SFC Ramon James - Left - Front Row. SFC Charlie Vandever - Standing - right - back row. The Interpreter is to the right of SFC James.
If you answered all three you ain't got Alzheimer yet...