The opening stanza of the Marine Corps hymn is: "From the Halls of Montezuma to the shores of Tripoli, we fight our country's battles in the air, on land and sea." The "Halls of Montezuma" refers to the assault on Chapultepec Castle during the Mexican War, which was led by the small Marine contingent in Gen. Winfield Scott's army. Ninety percent of the officers and NCOs who led the assault were killed. The red stripe on the dress uniform trousers of Marine officers is in commemoration of the blood their predecessors shed that day. (For those who love historical coincidences,...