Master Sergeant John Magnusson was Frank Keegan's squad leader in Medal of Honor: Vanguard. He was a greatleader and a solid tactician saving many lives of his fellow paratroopers. He fought through the Italian campaign with the squad, proving to be an exceptional leader. His squad looked up to him with high respect. During Requiem, he was killed by a German sniper while helping Keegan up. Keegan then takes up the role of squad leader and a promotion.