for their inability to return the salute as they were out of gunpowder. Glass informed them that the U.S. and Spain were at war. No Spanish warships had visited the island in a year and a half. The following day, Glass sent Lieutenant William Braunersreuther to meet the Spanish Governor to arrange the surrender of the island and the Spanish garrison there. Two officers, 54 Spanish infantrymen as well as the governor-general and his staff were taken prisoner and transported to the Philippines as prisoners of war. No U.S. forces were left on Guam, but the only U.S. citizen on the island, Frank Portusach, told Captain Glass that he would look after things until U.S. forces returned. Caribbean theater Cuba Theodore Roosevelt advocated intervention in Cuba, both for the Cuban people and to promote the Monroe Doctrine. While Assistant Secretary of the Navy, he placed the Navy on a war-time footing and prepared Dewey's Asiatic Squadron for battle. He also worked with Leonard Wood in convincing the Army to raise an all-volunteer regiment, the 1st U.S. Volunteer Cavalry. Wood was given command of the regiment that quickly became known as the "Rough Riders". The Americans planned to destroy Spain's army forces in Cuba, capture the port city of Santiago de Cuba, and destroy the Spanish Caribbean Squadron (also known as the Flota de Ultramar). To reach Santiago they had to pass through concentrated Spanish defenses in the San Juan Hills and a small town in El Caney. The American forces were aided in Cuba by the pro-independence rebels led by General Calixto García. Cuban sentiment For quite some time the Cuban public believed the United States government to possibly hold the key to its independence, and even annexation was considered for a time, which historian Louis Pérez explored in his book Cuba and the United States: Ties of Singular Intimacy. The Cubans harbored a great deal of discontent towards the Spanish government, a result of years of manipulation on the part of the Spanish. The prospect of getting the United States involved in the fight was considered by many Cubans as a step in the right direction. While the Cubans were wary of the United States' intentions, the overwhelming support from the American public provided the Cubans with some peace of mind, because they believed that the United States was committed to helping them achieve their independence. However, with the