Second Army Corps (Spanish–American War) about one month. The number of deaths and at Thoroughfare Gap was 34. Only two brigades of the 2d Army Corps saw combat in the Spanish–American War. They left for Santiago de Cuba to reinforce Gen. Shafter's army. An armistice having been reached between the U.S. and Spain ending the war’s fighting on August 12, 1898. The Separate Brigade, 3rd Division 2d Army Corps, under command of Brigadier General Henry M. Duffield, left Camp Alger June 15, 1898. They soon saw action in the Battle of the Aguadores, Cuba. After which the brigade was transferred to the Fifth Army Corps
Battle of Santiago de Cuba prisoners were returned to Spain with their “honors of war” on American ships. The battle was the end of any noteworthy Spanish naval presence in the New World. It forced Spain to re-assess its strategy in Cuba and resulted in an ever-tightening blockade of the island. While fighting continued until August, when the Treaty of Paris was signed, all surviving Spanish capital ships were now husbanded to defend their homeland leaving only isolated units of auxiliary vessels to defend the coast. Uncontested U.S. control of the seas around Cuba made resupply of the Spanish garrison impossible and its surrender inevitable.