Detailed Instructions: Generate a question which can yield the answer mentioned in the input. Generated question must be answered by the answer provided in input, without using any extra knowledge.
Q: Context : Tran Van Bay was a Private First Class of the Army of the Republic of Vietnam and is one of only two South Vietnamese, and the only South Vietnamese Army member, to receive the Navy Cross for actions on February 19, 1967 during the Vietnam War (the other being Nguyen Van Kiet).
Answer : Vietnam War
A:
Which conflict was Tran Van Bay a part of?