President Donald Trump tosses the coin before the Army-Navy NCAA college football game Saturday, Dec. 8, 2018, in Philadelphia. (AP Photo/Matt Rourke)

Army head coach Jeff Monken cheers during the second half an NCAA college football game against the Navy, Saturday, Dec. 8, 2018, in Philadelphia. Army won 17 -10. (AP Photo/Matt Rourke)

Army players celebrate with the Commander in Chief's trophy following a 17-10 victory over Navy in an NCAA college football game, Saturday, Dec. 8, 2018, in Philadelphia. Army won 17 -10. (AP Photo/Matt Rourke)

Army players celebrate a victory over Navy after an NCAA college football game, Saturday, Dec. 8, 2018, in Philadelphia. Army won 17 -10. (AP Photo/Matt Rourke)

Navy's Zach Abey looks to pass during the first half of an NCAA college football game against Army, Saturday, Dec. 8, 2018, in Philadelphia. (AP Photo/Matt Slocum)

Navy's Zach Abey leaps for a high snap during the first half of an NCAA college football game against Army, Saturday, Dec. 8, 2018, in Philadelphia. (AP Photo/Matt Slocum)

Army's Kelvin Hopkins Jr. throws a pass during the first half of an NCAA college football game against Navy, Saturday, Dec. 8, 2018, in Philadelphia. (AP Photo/Matt Slocum)

Army's Kelvin Hopkins Jr. drops back during the first half of an NCAA college football game against Navy, Saturday, Dec. 8, 2018, in Philadelphia. (AP Photo/Matt Slocum)

Army's Jaylon McClinton, center, intercepts a pass tipped by teammate Mike Reynolds, right, that was intended for Navy's Mychal Cooper during the first half of an NCAA college football game, Saturday, Dec. 8, 2018, in Philadelphia. (AP Photo/Matt Slocum)

Army's Jordan Asberry, left, is tackled by Navy's Sean Williams during the first half of an NCAA college football game, Saturday, Dec. 8, 2018, in Philadelphia. (AP Photo/Matt Slocum)

President Donald Trump waves to attendees ahead of an NCAA college football between Army and Navy, Saturday, Dec. 8, 2018, in Philadelphia. (AP Photo/Matt Rourke)

President Donald Trump meets with Navy player Anthony Gargiulo ahead of an NCAA college football game between Army and Navy, Saturday, Dec. 8, 2018, in Philadelphia. (AP Photo/Matt Rourke)

President Donald Trump, second from left, is joined by, from left, West Point Superintendent Lt. Gen. Darryl A. Williams, Defense Secretary Jim Mattis and Naval Academy Superintendent Vice Adm. Ted Carter, during the playing of the national anthem before the start of the Army-Navy NCAA college football game in Philadelphia, Saturday, Dec. 8, 2018. (AP Photo/Susan Walsh)

President Donald Trump, center, talks with Army Chief of Staff Gen. Mark Milley, left, watch from the stands before the Army-Navy NCAA college football game in Philadelphia, Saturday, Dec. 8, 2018. (AP Photo/Susan Walsh)

President Donald Trump, second from right, watches a flyover before the start of the Army-Navy football game in Philadelphia, Saturday, Dec. 8, 2018. Army Chief of Staff Gen. Mark Milley is at left,. and West Point Superintendent Lt. Gen. Darryl A. Williams, right. (AP Photo/Susan Walsh)