Generate a correct and concise answer for the question based on the words in the context.
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).
Question : Which conflict was Tran Van Bay a part of?
A:
Vietnam War