MacArthur fought in three major wars (World War I, World War II, Korean War) and was one of only five men ever to rise to the rank of General of the Army.
Nakipaglaban si MacArthur sa tatlong malalaking digmaan (Unang Digmaang Pandaigdig, Ikalawang Digmaang Pandaigdig at Digmaan ng Korea) at siya rin ang kaisaisa sa limang sundalo na nakatanggap ng rank na General of the Army.