 Complete the following phrase:  He began his assignment with the regiment in E Company as a platoon leader and was soon moved to the 2nd Battalion staff. He was transferred to the regimental staff before the D-Day invasions. Several days after drop, Matheson was wounded by German mortar fire while organizing a machine gun assault in French hedgerows on June 13, 1944. On June 15 he was awarded the Combat Infantryman Badge. After recovering from his injuries he parachuted into Holland and was later awarded the Bronze Service Arrowhead for participating in Operation Market Garden. Matheson was besieged with the rest of the 101st Airborne under the command of Maj. Gen. Anthony McAuliffe at 