...he was soon called upon to meet the enemies of his country in the war with Mexico. He was engaged in the siege of Vera Cruz and in a skirmish at San Juan de los Llanos, at the battles of Contreras, Churubusco , Molino del Rey and other operations before the city of Mexico which led to its capture and occupation by the American forces. He was brevetted first lieutenant for gallant and meritorious conduct ...