Portuguese ironclad Vasco da Gama armored belt that was thick on either end and thick amidships. The main battery guns were protected by thick barbettes. "Vasco da Gama" was laid down at the Thames Iron Works shipyard in London, Britain in 1875, and was launched on 1 December 1876. The ship was completed in 1878. She served as part of the coastal defense force that protected Lisbon, the Portuguese capital, and the mouth of the river Tagus. On 26 June 1897, "Vasco da Gama" participated in the Fleet Review at Spithead celebrating Queen Victoria's Diamond Jubilee. At the time, the ship was commanded by Captain
Vasco da Gama of February 1524, John III granted Vasco da Gama the privileged title of "Viceroy", being only the second Portuguese governor to enjoy that title (the first was Francisco de Almeida in 1505). His second son, Estêvão da Gama was simultaneously appointed "Capitão-mor do Mar da Índia" ('Captain-major of the Indian Sea', commander of the Indian Ocean naval patrol fleet), to replace Duarte's brother, Luís de Menezes. As a final condition, Gama secured from John III of Portugal the commitment to appoint all his sons successively as Portuguese captains of Malacca. Setting out in April 1524, with a fleet of fourteen