Detailed Instructions: Generate a correct and concise answer for the question based on the words in the context.
Q: Context : In Section 7a of the ''Prominent Military Figures'' portion of Arlington National Cemetery's webpage, there is the statement, ''Lt. Col. Matt Urban - World War II infantry officer who earned the distinction as the most decorated soldier in WW II''.
Question : What war or battle involved Matt Urban?
A:
World War II