Donald Trump attended the game from 2016-20 (the first as president-elect). Harry Truman attended six consecutive years (1945-50) and again in 1952 fresh out of office. George W. Bush attended in 2001, 2004 and 2008. The first U.S. president to attend Army-Navy was Theodore Roosevelt in 1901 and 1905. Woodrow Wilson was there in 1913.

https://yournews.com/2021/12/12/2265438/joe-biden-snubs-army-navy-football-game-remains-in-delaware-instead/