Question: Which Infantry Division from world war 2, had a twenty year old lieutenant?

Related documents: [0]  [DOC] The 99th Infantry Division was a unit of the United States Army in World War II. It played a strategic role in the Battle of the Bulge when its inexperienced troops held fast on the northern shoulder of the German advance, refusing them access to the vital northern road network that led into Belgium. [END] 
[1]  [DOC] Lyle Joseph Bouck, Jr. (December 17, 1923 – December 2, 2016) enlisted in the U.S. National Guard at age 14. During World War II, he was a 20-year-old lieutenant in charge of the Intelligence and Reconnaissance Platoon, 394th Infantry Regiment, 99th Infantry Division. On the first morning of the Germans' advance during the Battle of the Bulge, his 18-man unit along with four forward artillery observers held off an entire German battalion of more than 500 men for nearly an entire day, killing or wounding 92, and significantly delayed the German advance in a vital sector of the northern front. Every single member of the platoon was later decorated, making it one of the most decorated platoons in all of World War II. Bouck was one of the youngest commissioned officers in the U.S. Army. [END]  
Answer: 99th Infantry Division
99th Infantry Division